Home / 125,691.28-173,454.40-69,106.24

Finding the Fourth Proportional to 125,691.28, 173,454.40 and 69,106.24

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Solution

The fourth proportional to 125,691.28, 173,454.40 and 69,106.24 is: 95,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,691.28 : 173,454.40 = 69,106.24 : x
  2. Step 2: Convert to fraction form
    125,691.28/173,454.40 = 69,106.24/x
  3. Step 3: Cross multiply
    125,691.28x = 173,454.40 × 69,106.24
  4. Step 4: Simplify right side
    125,691.28x = 11,986,781,395.46
  5. Step 5: Solve for x
    x = 11,986,781,395.46/125,691.28
  6. Step 6: Final answer
    x = 95,366.85

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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.