Home / 132,882.12-199,470.60-54,051.30

Finding the Fourth Proportional to 132,882.12, 199,470.60 and 54,051.30

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Solution

The fourth proportional to 132,882.12, 199,470.60 and 54,051.30 is: 81,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,882.12 : 199,470.60 = 54,051.30 : x
  2. Step 2: Convert to fraction form
    132,882.12/199,470.60 = 54,051.30/x
  3. Step 3: Cross multiply
    132,882.12x = 199,470.60 × 54,051.30
  4. Step 4: Simplify right side
    132,882.12x = 10,781,645,241.78
  5. Step 5: Solve for x
    x = 10,781,645,241.78/132,882.12
  6. Step 6: Final answer
    x = 81,136.91

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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.