Home / 198,677.28-274,173.15-108,033.30

Finding the Fourth Proportional to 198,677.28, 274,173.15 and 108,033.30

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Solution

The fourth proportional to 198,677.28, 274,173.15 and 108,033.30 is: 149,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,677.28 : 274,173.15 = 108,033.30 : x
  2. Step 2: Convert to fraction form
    198,677.28/274,173.15 = 108,033.30/x
  3. Step 3: Cross multiply
    198,677.28x = 274,173.15 × 108,033.30
  4. Step 4: Simplify right side
    198,677.28x = 29,619,830,165.90
  5. Step 5: Solve for x
    x = 29,619,830,165.90/198,677.28
  6. Step 6: Final answer
    x = 149,085.14

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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.