Home / 198,306.07-296,892.30-185,736.29

Finding the Fourth Proportional to 198,306.07, 296,892.30 and 185,736.29

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Solution

The fourth proportional to 198,306.07, 296,892.30 and 185,736.29 is: 278,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,306.07 : 296,892.30 = 185,736.29 : x
  2. Step 2: Convert to fraction form
    198,306.07/296,892.30 = 185,736.29/x
  3. Step 3: Cross multiply
    198,306.07x = 296,892.30 × 185,736.29
  4. Step 4: Simplify right side
    198,306.07x = 55,143,672,847.11
  5. Step 5: Solve for x
    x = 55,143,672,847.11/198,306.07
  6. Step 6: Final answer
    x = 278,073.55

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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.