Home / 198,689.11-274,192.26-108,046.06

Finding the Fourth Proportional to 198,689.11, 274,192.26 and 108,046.06

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Solution

The fourth proportional to 198,689.11, 274,192.26 and 108,046.06 is: 149,104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,689.11 : 274,192.26 = 108,046.06 : x
  2. Step 2: Convert to fraction form
    198,689.11/274,192.26 = 108,046.06/x
  3. Step 3: Cross multiply
    198,689.11x = 274,192.26 × 108,046.06
  4. Step 4: Simplify right side
    198,689.11x = 29,625,392,284.84
  5. Step 5: Solve for x
    x = 29,625,392,284.84/198,689.11
  6. Step 6: Final answer
    x = 149,104.26

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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.