Home / 132,092.20-198,138.30-53,165.80

Finding the Fourth Proportional to 132,092.20, 198,138.30 and 53,165.80

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Solution

The fourth proportional to 132,092.20, 198,138.30 and 53,165.80 is: 79,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092.20 : 198,138.30 = 53,165.80 : x
  2. Step 2: Convert to fraction form
    132,092.20/198,138.30 = 53,165.80/x
  3. Step 3: Cross multiply
    132,092.20x = 198,138.30 × 53,165.80
  4. Step 4: Simplify right side
    132,092.20x = 10,534,181,230.14
  5. Step 5: Solve for x
    x = 10,534,181,230.14/132,092.20
  6. Step 6: Final answer
    x = 79,748.70

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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.