Home / 198,763.98-274,299.30-108,125.04

Finding the Fourth Proportional to 198,763.98, 274,299.30 and 108,125.04

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Solution

The fourth proportional to 198,763.98, 274,299.30 and 108,125.04 is: 149,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,763.98 : 274,299.30 = 108,125.04 : x
  2. Step 2: Convert to fraction form
    198,763.98/274,299.30 = 108,125.04/x
  3. Step 3: Cross multiply
    198,763.98x = 274,299.30 × 108,125.04
  4. Step 4: Simplify right side
    198,763.98x = 29,658,622,784.47
  5. Step 5: Solve for x
    x = 29,658,622,784.47/198,763.98
  6. Step 6: Final answer
    x = 149,215.28

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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.