Home / 150,748.20-226,251.90-66,637.80

Finding the Fourth Proportional to 150,748.20, 226,251.90 and 66,637.80

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Solution

The fourth proportional to 150,748.20, 226,251.90 and 66,637.80 is: 100,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,748.20 : 226,251.90 = 66,637.80 : x
  2. Step 2: Convert to fraction form
    150,748.20/226,251.90 = 66,637.80/x
  3. Step 3: Cross multiply
    150,748.20x = 226,251.90 × 66,637.80
  4. Step 4: Simplify right side
    150,748.20x = 15,076,928,861.82
  5. Step 5: Solve for x
    x = 15,076,928,861.82/150,748.20
  6. Step 6: Final answer
    x = 100,013.99

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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.