Home / 154,043.56-231,078.30-54,193.24

Finding the Fourth Proportional to 154,043.56, 231,078.30 and 54,193.24

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Solution

The fourth proportional to 154,043.56, 231,078.30 and 54,193.24 is: 81,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,043.56 : 231,078.30 = 54,193.24 : x
  2. Step 2: Convert to fraction form
    154,043.56/231,078.30 = 54,193.24/x
  3. Step 3: Cross multiply
    154,043.56x = 231,078.30 × 54,193.24
  4. Step 4: Simplify right side
    154,043.56x = 12,522,881,770.69
  5. Step 5: Solve for x
    x = 12,522,881,770.69/154,043.56
  6. Step 6: Final answer
    x = 81,294.42

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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.