Home / 198,761.98-274,296.54-108,123.04

Finding the Fourth Proportional to 198,761.98, 274,296.54 and 108,123.04

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Solution

The fourth proportional to 198,761.98, 274,296.54 and 108,123.04 is: 149,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,761.98 : 274,296.54 = 108,123.04 : x
  2. Step 2: Convert to fraction form
    198,761.98/274,296.54 = 108,123.04/x
  3. Step 3: Cross multiply
    198,761.98x = 274,296.54 × 108,123.04
  4. Step 4: Simplify right side
    198,761.98x = 29,657,775,766.28
  5. Step 5: Solve for x
    x = 29,657,775,766.28/198,761.98
  6. Step 6: Final answer
    x = 149,212.52

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1.5x scale

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.