Home / 198,892.32-274,466.94-108,248.58

Finding the Fourth Proportional to 198,892.32, 274,466.94 and 108,248.58

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Solution

The fourth proportional to 198,892.32, 274,466.94 and 108,248.58 is: 149,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,892.32 : 274,466.94 = 108,248.58 : x
  2. Step 2: Convert to fraction form
    198,892.32/274,466.94 = 108,248.58/x
  3. Step 3: Cross multiply
    198,892.32x = 274,466.94 × 108,248.58
  4. Step 4: Simplify right side
    198,892.32x = 29,710,656,511.95
  5. Step 5: Solve for x
    x = 29,710,656,511.95/198,892.32
  6. Step 6: Final answer
    x = 149,380.61

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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.