Home / 154,451.44-231,711.18-87,922.96

Finding the Fourth Proportional to 154,451.44, 231,711.18 and 87,922.96

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Solution

The fourth proportional to 154,451.44, 231,711.18 and 87,922.96 is: 131,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,451.44 : 231,711.18 = 87,922.96 : x
  2. Step 2: Convert to fraction form
    154,451.44/231,711.18 = 87,922.96/x
  3. Step 3: Cross multiply
    154,451.44x = 231,711.18 × 87,922.96
  4. Step 4: Simplify right side
    154,451.44x = 20,372,732,810.69
  5. Step 5: Solve for x
    x = 20,372,732,810.69/154,451.44
  6. Step 6: Final answer
    x = 131,903.81

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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.