Home / 154,763.20-231,926.10-95,422.60

Finding the Fourth Proportional to 154,763.20, 231,926.10 and 95,422.60

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Solution

The fourth proportional to 154,763.20, 231,926.10 and 95,422.60 is: 142,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,763.20 : 231,926.10 = 95,422.60 : x
  2. Step 2: Convert to fraction form
    154,763.20/231,926.10 = 95,422.60/x
  3. Step 3: Cross multiply
    154,763.20x = 231,926.10 × 95,422.60
  4. Step 4: Simplify right side
    154,763.20x = 22,130,991,469.86
  5. Step 5: Solve for x
    x = 22,130,991,469.86/154,763.20
  6. Step 6: Final answer
    x = 142,999.06

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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.