Home / 327,613.76-491,454.20-125,379.96

Finding the Fourth Proportional to 327,613.76, 491,454.20 and 125,379.96

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Solution

The fourth proportional to 327,613.76, 491,454.20 and 125,379.96 is: 188,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,613.76 : 491,454.20 = 125,379.96 : x
  2. Step 2: Convert to fraction form
    327,613.76/491,454.20 = 125,379.96/x
  3. Step 3: Cross multiply
    327,613.76x = 491,454.20 × 125,379.96
  4. Step 4: Simplify right side
    327,613.76x = 61,618,507,937.83
  5. Step 5: Solve for x
    x = 61,618,507,937.83/327,613.76
  6. Step 6: Final answer
    x = 188,082.78

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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.