Home / 125,901.14-173,760.17-72,175.76

Finding the Fourth Proportional to 125,901.14, 173,760.17 and 72,175.76

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Solution

The fourth proportional to 125,901.14, 173,760.17 and 72,175.76 is: 99,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,901.14 : 173,760.17 = 72,175.76 : x
  2. Step 2: Convert to fraction form
    125,901.14/173,760.17 = 72,175.76/x
  3. Step 3: Cross multiply
    125,901.14x = 173,760.17 × 72,175.76
  4. Step 4: Simplify right side
    125,901.14x = 12,541,272,155.39
  5. Step 5: Solve for x
    x = 12,541,272,155.39/125,901.14
  6. Step 6: Final answer
    x = 99,612.07

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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.