Home / 198,672.09-274,166.01-108,027.96

Finding the Fourth Proportional to 198,672.09, 274,166.01 and 108,027.96

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Solution

The fourth proportional to 198,672.09, 274,166.01 and 108,027.96 is: 149,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,672.09 : 274,166.01 = 108,027.96 : x
  2. Step 2: Convert to fraction form
    198,672.09/274,166.01 = 108,027.96/x
  3. Step 3: Cross multiply
    198,672.09x = 274,166.01 × 108,027.96
  4. Step 4: Simplify right side
    198,672.09x = 29,617,594,761.64
  5. Step 5: Solve for x
    x = 29,617,594,761.64/198,672.09
  6. Step 6: Final answer
    x = 149,077.78

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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.