Home / 154,225.44-231,180.60-87,524.64

Finding the Fourth Proportional to 154,225.44, 231,180.60 and 87,524.64

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Solution

The fourth proportional to 154,225.44, 231,180.60 and 87,524.64 is: 131,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,225.44 : 231,180.60 = 87,524.64 : x
  2. Step 2: Convert to fraction form
    154,225.44/231,180.60 = 87,524.64/x
  3. Step 3: Cross multiply
    154,225.44x = 231,180.60 × 87,524.64
  4. Step 4: Simplify right side
    154,225.44x = 20,233,998,789.98
  5. Step 5: Solve for x
    x = 20,233,998,789.98/154,225.44
  6. Step 6: Final answer
    x = 131,197.54

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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.