Home / 198,651.30-274,144.14-108,013.38

Finding the Fourth Proportional to 198,651.30, 274,144.14 and 108,013.38

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Solution

The fourth proportional to 198,651.30, 274,144.14 and 108,013.38 is: 149,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,651.30 : 274,144.14 = 108,013.38 : x
  2. Step 2: Convert to fraction form
    198,651.30/274,144.14 = 108,013.38/x
  3. Step 3: Cross multiply
    198,651.30x = 274,144.14 × 108,013.38
  4. Step 4: Simplify right side
    198,651.30x = 29,611,235,168.59
  5. Step 5: Solve for x
    x = 29,611,235,168.59/198,651.30
  6. Step 6: Final answer
    x = 149,061.37

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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.