Home / 204,898.43-282,787.58-120,049.31

Finding the Fourth Proportional to 204,898.43, 282,787.58 and 120,049.31

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Solution

The fourth proportional to 204,898.43, 282,787.58 and 120,049.31 is: 165,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,898.43 : 282,787.58 = 120,049.31 : x
  2. Step 2: Convert to fraction form
    204,898.43/282,787.58 = 120,049.31/x
  3. Step 3: Cross multiply
    204,898.43x = 282,787.58 × 120,049.31
  4. Step 4: Simplify right side
    204,898.43x = 33,948,454,862.66
  5. Step 5: Solve for x
    x = 33,948,454,862.66/204,898.43
  6. Step 6: Final answer
    x = 165,684.31

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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.