Home / 154,336.70-231,548.88-49,163.78

Finding the Fourth Proportional to 154,336.70, 231,548.88 and 49,163.78

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Solution

The fourth proportional to 154,336.70, 231,548.88 and 49,163.78 is: 73,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,336.70 : 231,548.88 = 49,163.78 : x
  2. Step 2: Convert to fraction form
    154,336.70/231,548.88 = 49,163.78/x
  3. Step 3: Cross multiply
    154,336.70x = 231,548.88 × 49,163.78
  4. Step 4: Simplify right side
    154,336.70x = 11,383,818,195.57
  5. Step 5: Solve for x
    x = 11,383,818,195.57/154,336.70
  6. Step 6: Final answer
    x = 73,759.63

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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.