Home / 198,166-273,469.08-108,747.76

Finding the Fourth Proportional to 198,166, 273,469.08 and 108,747.76

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Solution

The fourth proportional to 198,166, 273,469.08 and 108,747.76 is: 150,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,166 : 273,469.08 = 108,747.76 : x
  2. Step 2: Convert to fraction form
    198,166/273,469.08 = 108,747.76/x
  3. Step 3: Cross multiply
    198,166x = 273,469.08 × 108,747.76
  4. Step 4: Simplify right side
    198,166x = 29,739,149,879.26
  5. Step 5: Solve for x
    x = 29,739,149,879.26/198,166
  6. Step 6: Final answer
    x = 150,071.91

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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.