Home / 206,982.36-285,666.60-126,456.42

Finding the Fourth Proportional to 206,982.36, 285,666.60 and 126,456.42

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Solution

The fourth proportional to 206,982.36, 285,666.60 and 126,456.42 is: 174,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,982.36 : 285,666.60 = 126,456.42 : x
  2. Step 2: Convert to fraction form
    206,982.36/285,666.60 = 126,456.42/x
  3. Step 3: Cross multiply
    206,982.36x = 285,666.60 × 126,456.42
  4. Step 4: Simplify right side
    206,982.36x = 36,124,375,549.57
  5. Step 5: Solve for x
    x = 36,124,375,549.57/206,982.36
  6. Step 6: Final answer
    x = 174,528.76

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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.