Home / 198,608.46-274,049.28-112,562.52

Finding the Fourth Proportional to 198,608.46, 274,049.28 and 112,562.52

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Solution

The fourth proportional to 198,608.46, 274,049.28 and 112,562.52 is: 155,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,608.46 : 274,049.28 = 112,562.52 : x
  2. Step 2: Convert to fraction form
    198,608.46/274,049.28 = 112,562.52/x
  3. Step 3: Cross multiply
    198,608.46x = 274,049.28 × 112,562.52
  4. Step 4: Simplify right side
    198,608.46x = 30,847,677,560.99
  5. Step 5: Solve for x
    x = 30,847,677,560.99/198,608.46
  6. Step 6: Final answer
    x = 155,319.05

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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.