Home / 150,819.46-225,884.67-71,989.18

Finding the Fourth Proportional to 150,819.46, 225,884.67 and 71,989.18

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Solution

The fourth proportional to 150,819.46, 225,884.67 and 71,989.18 is: 107,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,819.46 : 225,884.67 = 71,989.18 : x
  2. Step 2: Convert to fraction form
    150,819.46/225,884.67 = 71,989.18/x
  3. Step 3: Cross multiply
    150,819.46x = 225,884.67 × 71,989.18
  4. Step 4: Simplify right side
    150,819.46x = 16,261,252,167.87
  5. Step 5: Solve for x
    x = 16,261,252,167.87/150,819.46
  6. Step 6: Final answer
    x = 107,819.32

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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.