Home / 198,929.88-274,523.22-109,505.88

Finding the Fourth Proportional to 198,929.88, 274,523.22 and 109,505.88

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Solution

The fourth proportional to 198,929.88, 274,523.22 and 109,505.88 is: 151,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,929.88 : 274,523.22 = 109,505.88 : x
  2. Step 2: Convert to fraction form
    198,929.88/274,523.22 = 109,505.88/x
  3. Step 3: Cross multiply
    198,929.88x = 274,523.22 × 109,505.88
  4. Step 4: Simplify right side
    198,929.88x = 30,061,906,786.53
  5. Step 5: Solve for x
    x = 30,061,906,786.53/198,929.88
  6. Step 6: Final answer
    x = 151,118.11

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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.