Home / 125,876.60-173,767.38-89,601.56

Finding the Fourth Proportional to 125,876.60, 173,767.38 and 89,601.56

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Solution

The fourth proportional to 125,876.60, 173,767.38 and 89,601.56 is: 123,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.60 : 173,767.38 = 89,601.56 : x
  2. Step 2: Convert to fraction form
    125,876.60/173,767.38 = 89,601.56/x
  3. Step 3: Cross multiply
    125,876.60x = 173,767.38 × 89,601.56
  4. Step 4: Simplify right side
    125,876.60x = 15,569,828,325.11
  5. Step 5: Solve for x
    x = 15,569,828,325.11/125,876.60
  6. Step 6: Final answer
    x = 123,691.20

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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.