Home / 148,318.62-222,292.90-72,354.56

Finding the Fourth Proportional to 148,318.62, 222,292.90 and 72,354.56

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Solution

The fourth proportional to 148,318.62, 222,292.90 and 72,354.56 is: 108,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,318.62 : 222,292.90 = 72,354.56 : x
  2. Step 2: Convert to fraction form
    148,318.62/222,292.90 = 72,354.56/x
  3. Step 3: Cross multiply
    148,318.62x = 222,292.90 × 72,354.56
  4. Step 4: Simplify right side
    148,318.62x = 16,083,904,608.85
  5. Step 5: Solve for x
    x = 16,083,904,608.85/148,318.62
  6. Step 6: Final answer
    x = 108,441.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.