Home / 132,069.20-198,006.60-89,843.90

Finding the Fourth Proportional to 132,069.20, 198,006.60 and 89,843.90

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Solution

The fourth proportional to 132,069.20, 198,006.60 and 89,843.90 is: 134,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,069.20 : 198,006.60 = 89,843.90 : x
  2. Step 2: Convert to fraction form
    132,069.20/198,006.60 = 89,843.90/x
  3. Step 3: Cross multiply
    132,069.20x = 198,006.60 × 89,843.90
  4. Step 4: Simplify right side
    132,069.20x = 17,789,685,169.74
  5. Step 5: Solve for x
    x = 17,789,685,169.74/132,069.20
  6. Step 6: Final answer
    x = 134,699.73

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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.