Home / 166,107.18-229,148.19-108,721.24

Finding the Fourth Proportional to 166,107.18, 229,148.19 and 108,721.24

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Solution

The fourth proportional to 166,107.18, 229,148.19 and 108,721.24 is: 149,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,107.18 : 229,148.19 = 108,721.24 : x
  2. Step 2: Convert to fraction form
    166,107.18/229,148.19 = 108,721.24/x
  3. Step 3: Cross multiply
    166,107.18x = 229,148.19 × 108,721.24
  4. Step 4: Simplify right side
    166,107.18x = 24,913,275,360.56
  5. Step 5: Solve for x
    x = 24,913,275,360.56/166,107.18
  6. Step 6: Final answer
    x = 149,983.13

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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.