Home / 132,067.20-198,003.60-89,841.90

Finding the Fourth Proportional to 132,067.20, 198,003.60 and 89,841.90

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Solution

The fourth proportional to 132,067.20, 198,003.60 and 89,841.90 is: 134,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,067.20 : 198,003.60 = 89,841.90 : x
  2. Step 2: Convert to fraction form
    132,067.20/198,003.60 = 89,841.90/x
  3. Step 3: Cross multiply
    132,067.20x = 198,003.60 × 89,841.90
  4. Step 4: Simplify right side
    132,067.20x = 17,789,019,630.84
  5. Step 5: Solve for x
    x = 17,789,019,630.84/132,067.20
  6. Step 6: Final answer
    x = 134,696.73

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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.