Home / 449,427.20-674,234.40-150,000.80

Finding the Fourth Proportional to 449,427.20, 674,234.40 and 150,000.80

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Solution

The fourth proportional to 449,427.20, 674,234.40 and 150,000.80 is: 225,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,427.20 : 674,234.40 = 150,000.80 : x
  2. Step 2: Convert to fraction form
    449,427.20/674,234.40 = 150,000.80/x
  3. Step 3: Cross multiply
    449,427.20x = 674,234.40 × 150,000.80
  4. Step 4: Simplify right side
    449,427.20x = 101,135,699,387.52
  5. Step 5: Solve for x
    x = 101,135,699,387.52/449,427.20
  6. Step 6: Final answer
    x = 225,032.44

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1.5x scale

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.