Home / 126,193.14-173,792.18-123,437.52

Finding the Fourth Proportional to 126,193.14, 173,792.18 and 123,437.52

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Solution

The fourth proportional to 126,193.14, 173,792.18 and 123,437.52 is: 169,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.14 : 173,792.18 = 123,437.52 : x
  2. Step 2: Convert to fraction form
    126,193.14/173,792.18 = 123,437.52/x
  3. Step 3: Cross multiply
    126,193.14x = 173,792.18 × 123,437.52
  4. Step 4: Simplify right side
    126,193.14x = 21,452,475,694.59
  5. Step 5: Solve for x
    x = 21,452,475,694.59/126,193.14
  6. Step 6: Final answer
    x = 169,997.16

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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.