Home / 198,976.62-274,592.66-108,337.49

Finding the Fourth Proportional to 198,976.62, 274,592.66 and 108,337.49

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Solution

The fourth proportional to 198,976.62, 274,592.66 and 108,337.49 is: 149,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,976.62 : 274,592.66 = 108,337.49 : x
  2. Step 2: Convert to fraction form
    198,976.62/274,592.66 = 108,337.49/x
  3. Step 3: Cross multiply
    198,976.62x = 274,592.66 × 108,337.49
  4. Step 4: Simplify right side
    198,976.62x = 29,748,679,556.82
  5. Step 5: Solve for x
    x = 29,748,679,556.82/198,976.62
  6. Step 6: Final answer
    x = 149,508.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.