Home / 198,884.16-274,465.20-108,245.04

Finding the Fourth Proportional to 198,884.16, 274,465.20 and 108,245.04

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Solution

The fourth proportional to 198,884.16, 274,465.20 and 108,245.04 is: 149,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,884.16 : 274,465.20 = 108,245.04 : x
  2. Step 2: Convert to fraction form
    198,884.16/274,465.20 = 108,245.04/x
  3. Step 3: Cross multiply
    198,884.16x = 274,465.20 × 108,245.04
  4. Step 4: Simplify right side
    198,884.16x = 29,709,496,552.61
  5. Step 5: Solve for x
    x = 29,709,496,552.61/198,884.16
  6. Step 6: Final answer
    x = 149,380.91

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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.