Home / 154,493.60-231,740.40-95,136.80

Finding the Fourth Proportional to 154,493.60, 231,740.40 and 95,136.80

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Solution

The fourth proportional to 154,493.60, 231,740.40 and 95,136.80 is: 142,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,493.60 : 231,740.40 = 95,136.80 : x
  2. Step 2: Convert to fraction form
    154,493.60/231,740.40 = 95,136.80/x
  3. Step 3: Cross multiply
    154,493.60x = 231,740.40 × 95,136.80
  4. Step 4: Simplify right side
    154,493.60x = 22,047,040,086.72
  5. Step 5: Solve for x
    x = 22,047,040,086.72/154,493.60
  6. Step 6: Final answer
    x = 142,705.20

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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.