Home / 206,966.17-285,615.89-125,293.34

Finding the Fourth Proportional to 206,966.17, 285,615.89 and 125,293.34

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Solution

The fourth proportional to 206,966.17, 285,615.89 and 125,293.34 is: 172,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,966.17 : 285,615.89 = 125,293.34 : x
  2. Step 2: Convert to fraction form
    206,966.17/285,615.89 = 125,293.34/x
  3. Step 3: Cross multiply
    206,966.17x = 285,615.89 × 125,293.34
  4. Step 4: Simplify right side
    206,966.17x = 35,785,768,815.17
  5. Step 5: Solve for x
    x = 35,785,768,815.17/206,966.17
  6. Step 6: Final answer
    x = 172,906.37

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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.