Home / 351,414.24-527,121.35-85,174.76

Finding the Fourth Proportional to 351,414.24, 527,121.35 and 85,174.76

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Solution

The fourth proportional to 351,414.24, 527,121.35 and 85,174.76 is: 127,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,414.24 : 527,121.35 = 85,174.76 : x
  2. Step 2: Convert to fraction form
    351,414.24/527,121.35 = 85,174.76/x
  3. Step 3: Cross multiply
    351,414.24x = 527,121.35 × 85,174.76
  4. Step 4: Simplify right side
    351,414.24x = 44,897,431,415.65
  5. Step 5: Solve for x
    x = 44,897,431,415.65/351,414.24
  6. Step 6: Final answer
    x = 127,762.13

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Similar ratio
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1.5x scale

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.