Home / 198,924.45-274,521.50-108,286.29

Finding the Fourth Proportional to 198,924.45, 274,521.50 and 108,286.29

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Solution

The fourth proportional to 198,924.45, 274,521.50 and 108,286.29 is: 149,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,924.45 : 274,521.50 = 108,286.29 : x
  2. Step 2: Convert to fraction form
    198,924.45/274,521.50 = 108,286.29/x
  3. Step 3: Cross multiply
    198,924.45x = 274,521.50 × 108,286.29
  4. Step 4: Simplify right side
    198,924.45x = 29,726,914,218.80
  5. Step 5: Solve for x
    x = 29,726,914,218.80/198,924.45
  6. Step 6: Final answer
    x = 149,438.21

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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.