Home / 187,922.25-259,324.07-112,512.33

Finding the Fourth Proportional to 187,922.25, 259,324.07 and 112,512.33

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Solution

The fourth proportional to 187,922.25, 259,324.07 and 112,512.33 is: 155,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,922.25 : 259,324.07 = 112,512.33 : x
  2. Step 2: Convert to fraction form
    187,922.25/259,324.07 = 112,512.33/x
  3. Step 3: Cross multiply
    187,922.25x = 259,324.07 × 112,512.33
  4. Step 4: Simplify right side
    187,922.25x = 29,177,154,778.22
  5. Step 5: Solve for x
    x = 29,177,154,778.22/187,922.25
  6. Step 6: Final answer
    x = 155,261.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.