Home / 204,906.76-307,174.07-71,714.36

Finding the Fourth Proportional to 204,906.76, 307,174.07 and 71,714.36

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Solution

The fourth proportional to 204,906.76, 307,174.07 and 71,714.36 is: 107,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,906.76 : 307,174.07 = 71,714.36 : x
  2. Step 2: Convert to fraction form
    204,906.76/307,174.07 = 71,714.36/x
  3. Step 3: Cross multiply
    204,906.76x = 307,174.07 × 71,714.36
  4. Step 4: Simplify right side
    204,906.76x = 22,028,790,388.21
  5. Step 5: Solve for x
    x = 22,028,790,388.21/204,906.76
  6. Step 6: Final answer
    x = 107,506.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.