Home / 166,109.43-229,151.30-108,723.49

Finding the Fourth Proportional to 166,109.43, 229,151.30 and 108,723.49

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Solution

The fourth proportional to 166,109.43, 229,151.30 and 108,723.49 is: 149,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,109.43 : 229,151.30 = 108,723.49 : x
  2. Step 2: Convert to fraction form
    166,109.43/229,151.30 = 108,723.49/x
  3. Step 3: Cross multiply
    166,109.43x = 229,151.30 × 108,723.49
  4. Step 4: Simplify right side
    166,109.43x = 24,914,129,074.04
  5. Step 5: Solve for x
    x = 24,914,129,074.04/166,109.43
  6. Step 6: Final answer
    x = 149,986.24

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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.