Home / 148,976.18-205,591.18-80,997.73

Finding the Fourth Proportional to 148,976.18, 205,591.18 and 80,997.73

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Solution

The fourth proportional to 148,976.18, 205,591.18 and 80,997.73 is: 111,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976.18 : 205,591.18 = 80,997.73 : x
  2. Step 2: Convert to fraction form
    148,976.18/205,591.18 = 80,997.73/x
  3. Step 3: Cross multiply
    148,976.18x = 205,591.18 × 80,997.73
  4. Step 4: Simplify right side
    148,976.18x = 16,652,418,171.55
  5. Step 5: Solve for x
    x = 16,652,418,171.55/148,976.18
  6. Step 6: Final answer
    x = 111,779.07

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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.