Home / 149,518.20-224,023.42-90,229.29

Finding the Fourth Proportional to 149,518.20, 224,023.42 and 90,229.29

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Solution

The fourth proportional to 149,518.20, 224,023.42 and 90,229.29 is: 135,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,518.20 : 224,023.42 = 90,229.29 : x
  2. Step 2: Convert to fraction form
    149,518.20/224,023.42 = 90,229.29/x
  3. Step 3: Cross multiply
    149,518.20x = 224,023.42 × 90,229.29
  4. Step 4: Simplify right side
    149,518.20x = 20,213,474,662.80
  5. Step 5: Solve for x
    x = 20,213,474,662.80/149,518.20
  6. Step 6: Final answer
    x = 135,190.73

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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.