Home / 198,122.46-273,337.25-130,176.03

Finding the Fourth Proportional to 198,122.46, 273,337.25 and 130,176.03

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Solution

The fourth proportional to 198,122.46, 273,337.25 and 130,176.03 is: 179,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,122.46 : 273,337.25 = 130,176.03 : x
  2. Step 2: Convert to fraction form
    198,122.46/273,337.25 = 130,176.03/x
  3. Step 3: Cross multiply
    198,122.46x = 273,337.25 × 130,176.03
  4. Step 4: Simplify right side
    198,122.46x = 35,581,957,405.24
  5. Step 5: Solve for x
    x = 35,581,957,405.24/198,122.46
  6. Step 6: Final answer
    x = 179,595.78

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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.