Question 758425
First number = x
One number = 2x
Third number = 100 + x
  x + 2x + 100 + x = 200
 Collect like terms
         4x + 100 = 200
               4x = 100
                x = 25
First number = 25
One number   = 50
Third number =125
        Total= 200
Hope this helps.
:-)