Home / 132,427.20-198,567.90-53,452.20

Finding the Fourth Proportional to 132,427.20, 198,567.90 and 53,452.20

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Solution

The fourth proportional to 132,427.20, 198,567.90 and 53,452.20 is: 80,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,427.20 : 198,567.90 = 53,452.20 : x
  2. Step 2: Convert to fraction form
    132,427.20/198,567.90 = 53,452.20/x
  3. Step 3: Cross multiply
    132,427.20x = 198,567.90 × 53,452.20
  4. Step 4: Simplify right side
    132,427.20x = 10,613,891,104.38
  5. Step 5: Solve for x
    x = 10,613,891,104.38/132,427.20
  6. Step 6: Final answer
    x = 80,148.88

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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.