Home / 498,081.20-746,862.24-178,109.72

Finding the Fourth Proportional to 498,081.20, 746,862.24 and 178,109.72

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Solution

The fourth proportional to 498,081.20, 746,862.24 and 178,109.72 is: 267,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,081.20 : 746,862.24 = 178,109.72 : x
  2. Step 2: Convert to fraction form
    498,081.20/746,862.24 = 178,109.72/x
  3. Step 3: Cross multiply
    498,081.20x = 746,862.24 × 178,109.72
  4. Step 4: Simplify right side
    498,081.20x = 133,023,424,444.97
  5. Step 5: Solve for x
    x = 133,023,424,444.97/498,081.20
  6. Step 6: Final answer
    x = 267,071.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.