Home / 449,429.20-674,237.40-150,002.80

Finding the Fourth Proportional to 449,429.20, 674,237.40 and 150,002.80

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Solution

The fourth proportional to 449,429.20, 674,237.40 and 150,002.80 is: 225,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,429.20 : 674,237.40 = 150,002.80 : x
  2. Step 2: Convert to fraction form
    449,429.20/674,237.40 = 150,002.80/x
  3. Step 3: Cross multiply
    449,429.20x = 674,237.40 × 150,002.80
  4. Step 4: Simplify right side
    449,429.20x = 101,137,497,864.72
  5. Step 5: Solve for x
    x = 101,137,497,864.72/449,429.20
  6. Step 6: Final answer
    x = 225,035.44

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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.