Home / 154,324.03-231,438.96-54,460.90

Finding the Fourth Proportional to 154,324.03, 231,438.96 and 54,460.90

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Solution

The fourth proportional to 154,324.03, 231,438.96 and 54,460.90 is: 81,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,324.03 : 231,438.96 = 54,460.90 : x
  2. Step 2: Convert to fraction form
    154,324.03/231,438.96 = 54,460.90/x
  3. Step 3: Cross multiply
    154,324.03x = 231,438.96 × 54,460.90
  4. Step 4: Simplify right side
    154,324.03x = 12,604,373,375.95
  5. Step 5: Solve for x
    x = 12,604,373,375.95/154,324.03
  6. Step 6: Final answer
    x = 81,674.73

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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.