Home / 154,550.24-231,843.60-54,689.60

Finding the Fourth Proportional to 154,550.24, 231,843.60 and 54,689.60

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Solution

The fourth proportional to 154,550.24, 231,843.60 and 54,689.60 is: 82,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.24 : 231,843.60 = 54,689.60 : x
  2. Step 2: Convert to fraction form
    154,550.24/231,843.60 = 54,689.60/x
  3. Step 3: Cross multiply
    154,550.24x = 231,843.60 × 54,689.60
  4. Step 4: Simplify right side
    154,550.24x = 12,679,433,746.56
  5. Step 5: Solve for x
    x = 12,679,433,746.56/154,550.24
  6. Step 6: Final answer
    x = 82,040.85

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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.