Home / 132,023.30-198,083.55-43,279.70

Finding the Fourth Proportional to 132,023.30, 198,083.55 and 43,279.70

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Solution

The fourth proportional to 132,023.30, 198,083.55 and 43,279.70 is: 64,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,023.30 : 198,083.55 = 43,279.70 : x
  2. Step 2: Convert to fraction form
    132,023.30/198,083.55 = 43,279.70/x
  3. Step 3: Cross multiply
    132,023.30x = 198,083.55 × 43,279.70
  4. Step 4: Simplify right side
    132,023.30x = 8,572,996,618.94
  5. Step 5: Solve for x
    x = 8,572,996,618.94/132,023.30
  6. Step 6: Final answer
    x = 64,935.48

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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.