Home / 527,382.16-791,119.86-148,306.12

Finding the Fourth Proportional to 527,382.16, 791,119.86 and 148,306.12

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Solution

The fourth proportional to 527,382.16, 791,119.86 and 148,306.12 is: 222,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,382.16 : 791,119.86 = 148,306.12 : x
  2. Step 2: Convert to fraction form
    527,382.16/791,119.86 = 148,306.12/x
  3. Step 3: Cross multiply
    527,382.16x = 791,119.86 × 148,306.12
  4. Step 4: Simplify right side
    527,382.16x = 117,327,916,891.54
  5. Step 5: Solve for x
    x = 117,327,916,891.54/527,382.16
  6. Step 6: Final answer
    x = 222,472.29

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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.