Home / 148,934.44-205,530.90-80,951.56

Finding the Fourth Proportional to 148,934.44, 205,530.90 and 80,951.56

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Solution

The fourth proportional to 148,934.44, 205,530.90 and 80,951.56 is: 111,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,934.44 : 205,530.90 = 80,951.56 : x
  2. Step 2: Convert to fraction form
    148,934.44/205,530.90 = 80,951.56/x
  3. Step 3: Cross multiply
    148,934.44x = 205,530.90 × 80,951.56
  4. Step 4: Simplify right side
    148,934.44x = 16,638,046,983.20
  5. Step 5: Solve for x
    x = 16,638,046,983.20/148,934.44
  6. Step 6: Final answer
    x = 111,713.90

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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.