Home / 217,209.43-299,749.11-132,326.49

Finding the Fourth Proportional to 217,209.43, 299,749.11 and 132,326.49

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Solution

The fourth proportional to 217,209.43, 299,749.11 and 132,326.49 is: 182,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,209.43 : 299,749.11 = 132,326.49 : x
  2. Step 2: Convert to fraction form
    217,209.43/299,749.11 = 132,326.49/x
  3. Step 3: Cross multiply
    217,209.43x = 299,749.11 × 132,326.49
  4. Step 4: Simplify right side
    217,209.43x = 39,664,748,234.76
  5. Step 5: Solve for x
    x = 39,664,748,234.76/217,209.43
  6. Step 6: Final answer
    x = 182,610.62

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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.