Home / 150,747.70-226,251.15-66,637.30

Finding the Fourth Proportional to 150,747.70, 226,251.15 and 66,637.30

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Solution

The fourth proportional to 150,747.70, 226,251.15 and 66,637.30 is: 100,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,747.70 : 226,251.15 = 66,637.30 : x
  2. Step 2: Convert to fraction form
    150,747.70/226,251.15 = 66,637.30/x
  3. Step 3: Cross multiply
    150,747.70x = 226,251.15 × 66,637.30
  4. Step 4: Simplify right side
    150,747.70x = 15,076,765,757.90
  5. Step 5: Solve for x
    x = 15,076,765,757.90/150,747.70
  6. Step 6: Final answer
    x = 100,013.24

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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.