Home / 206,963.24-310,446.78-82,336.04

Finding the Fourth Proportional to 206,963.24, 310,446.78 and 82,336.04

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Solution

The fourth proportional to 206,963.24, 310,446.78 and 82,336.04 is: 123,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,963.24 : 310,446.78 = 82,336.04 : x
  2. Step 2: Convert to fraction form
    206,963.24/310,446.78 = 82,336.04/x
  3. Step 3: Cross multiply
    206,963.24x = 310,446.78 × 82,336.04
  4. Step 4: Simplify right side
    206,963.24x = 25,560,958,495.95
  5. Step 5: Solve for x
    x = 25,560,958,495.95/206,963.24
  6. Step 6: Final answer
    x = 123,504.82

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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.