Home / 167,787.15-231,546.20-92,335.65

Finding the Fourth Proportional to 167,787.15, 231,546.20 and 92,335.65

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Solution

The fourth proportional to 167,787.15, 231,546.20 and 92,335.65 is: 127,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,787.15 : 231,546.20 = 92,335.65 : x
  2. Step 2: Convert to fraction form
    167,787.15/231,546.20 = 92,335.65/x
  3. Step 3: Cross multiply
    167,787.15x = 231,546.20 × 92,335.65
  4. Step 4: Simplify right side
    167,787.15x = 21,379,967,552.05
  5. Step 5: Solve for x
    x = 21,379,967,552.05/167,787.15
  6. Step 6: Final answer
    x = 127,423.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.