Home / 198,708.52-297,411.20-108,613.24

Finding the Fourth Proportional to 198,708.52, 297,411.20 and 108,613.24

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Solution

The fourth proportional to 198,708.52, 297,411.20 and 108,613.24 is: 162,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,708.52 : 297,411.20 = 108,613.24 : x
  2. Step 2: Convert to fraction form
    198,708.52/297,411.20 = 108,613.24/x
  3. Step 3: Cross multiply
    198,708.52x = 297,411.20 × 108,613.24
  4. Step 4: Simplify right side
    198,708.52x = 32,302,794,044.29
  5. Step 5: Solve for x
    x = 32,302,794,044.29/198,708.52
  6. Step 6: Final answer
    x = 162,563.71

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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.