Home / 148,691.01-205,193.73-80,708.04

Finding the Fourth Proportional to 148,691.01, 205,193.73 and 80,708.04

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Solution

The fourth proportional to 148,691.01, 205,193.73 and 80,708.04 is: 111,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,691.01 : 205,193.73 = 80,708.04 : x
  2. Step 2: Convert to fraction form
    148,691.01/205,193.73 = 80,708.04/x
  3. Step 3: Cross multiply
    148,691.01x = 205,193.73 × 80,708.04
  4. Step 4: Simplify right side
    148,691.01x = 16,560,783,768.59
  5. Step 5: Solve for x
    x = 16,560,783,768.59/148,691.01
  6. Step 6: Final answer
    x = 111,377.17

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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.