Home / 297,815.26-410,986.39-163,687.90

Finding the Fourth Proportional to 297,815.26, 410,986.39 and 163,687.90

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Solution

The fourth proportional to 297,815.26, 410,986.39 and 163,687.90 is: 225,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,815.26 : 410,986.39 = 163,687.90 : x
  2. Step 2: Convert to fraction form
    297,815.26/410,986.39 = 163,687.90/x
  3. Step 3: Cross multiply
    297,815.26x = 410,986.39 × 163,687.90
  4. Step 4: Simplify right side
    297,815.26x = 67,273,499,107.68
  5. Step 5: Solve for x
    x = 67,273,499,107.68/297,815.26
  6. Step 6: Final answer
    x = 225,890.03

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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.