Home / 198,797.24-274,340.85-108,153.19

Finding the Fourth Proportional to 198,797.24, 274,340.85 and 108,153.19

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Solution

The fourth proportional to 198,797.24, 274,340.85 and 108,153.19 is: 149,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,797.24 : 274,340.85 = 108,153.19 : x
  2. Step 2: Convert to fraction form
    198,797.24/274,340.85 = 108,153.19/x
  3. Step 3: Cross multiply
    198,797.24x = 274,340.85 × 108,153.19
  4. Step 4: Simplify right side
    198,797.24x = 29,670,836,162.34
  5. Step 5: Solve for x
    x = 29,670,836,162.34/198,797.24
  6. Step 6: Final answer
    x = 149,251.75

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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.