Home / 319,552.76-441,142.61-198,732.97

Finding the Fourth Proportional to 319,552.76, 441,142.61 and 198,732.97

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Solution

The fourth proportional to 319,552.76, 441,142.61 and 198,732.97 is: 274,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,552.76 : 441,142.61 = 198,732.97 : x
  2. Step 2: Convert to fraction form
    319,552.76/441,142.61 = 198,732.97/x
  3. Step 3: Cross multiply
    319,552.76x = 441,142.61 × 198,732.97
  4. Step 4: Simplify right side
    319,552.76x = 87,669,581,078.85
  5. Step 5: Solve for x
    x = 87,669,581,078.85/319,552.76
  6. Step 6: Final answer
    x = 274,350.88

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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.