Home / 198,716.28-274,225.82-108,070.29

Finding the Fourth Proportional to 198,716.28, 274,225.82 and 108,070.29

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Solution

The fourth proportional to 198,716.28, 274,225.82 and 108,070.29 is: 149,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,716.28 : 274,225.82 = 108,070.29 : x
  2. Step 2: Convert to fraction form
    198,716.28/274,225.82 = 108,070.29/x
  3. Step 3: Cross multiply
    198,716.28x = 274,225.82 × 108,070.29
  4. Step 4: Simplify right side
    198,716.28x = 29,635,663,352.54
  5. Step 5: Solve for x
    x = 29,635,663,352.54/198,716.28
  6. Step 6: Final answer
    x = 149,135.56

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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.