Home / 132,448.10-198,542.55-53,456.90

Finding the Fourth Proportional to 132,448.10, 198,542.55 and 53,456.90

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Solution

The fourth proportional to 132,448.10, 198,542.55 and 53,456.90 is: 80,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,448.10 : 198,542.55 = 53,456.90 : x
  2. Step 2: Convert to fraction form
    132,448.10/198,542.55 = 53,456.90/x
  3. Step 3: Cross multiply
    132,448.10x = 198,542.55 × 53,456.90
  4. Step 4: Simplify right side
    132,448.10x = 10,613,469,241.10
  5. Step 5: Solve for x
    x = 10,613,469,241.10/132,448.10
  6. Step 6: Final answer
    x = 80,133.04

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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.