Home / 154,399.20-231,609.60-60,892.80

Finding the Fourth Proportional to 154,399.20, 231,609.60 and 60,892.80

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Solution

The fourth proportional to 154,399.20, 231,609.60 and 60,892.80 is: 91,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,399.20 : 231,609.60 = 60,892.80 : x
  2. Step 2: Convert to fraction form
    154,399.20/231,609.60 = 60,892.80/x
  3. Step 3: Cross multiply
    154,399.20x = 231,609.60 × 60,892.80
  4. Step 4: Simplify right side
    154,399.20x = 14,103,357,050.88
  5. Step 5: Solve for x
    x = 14,103,357,050.88/154,399.20
  6. Step 6: Final answer
    x = 91,343.46

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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.