Home / 204,790.48-307,324.10-71,671.88

Finding the Fourth Proportional to 204,790.48, 307,324.10 and 71,671.88

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Solution

The fourth proportional to 204,790.48, 307,324.10 and 71,671.88 is: 107,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,790.48 : 307,324.10 = 71,671.88 : x
  2. Step 2: Convert to fraction form
    204,790.48/307,324.10 = 71,671.88/x
  3. Step 3: Cross multiply
    204,790.48x = 307,324.10 × 71,671.88
  4. Step 4: Simplify right side
    204,790.48x = 22,026,496,016.31
  5. Step 5: Solve for x
    x = 22,026,496,016.31/204,790.48
  6. Step 6: Final answer
    x = 107,556.25

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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.