Home / 259,553.25-389,327.40-82,060.23

Finding the Fourth Proportional to 259,553.25, 389,327.40 and 82,060.23

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Solution

The fourth proportional to 259,553.25, 389,327.40 and 82,060.23 is: 123,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,553.25 : 389,327.40 = 82,060.23 : x
  2. Step 2: Convert to fraction form
    259,553.25/389,327.40 = 82,060.23/x
  3. Step 3: Cross multiply
    259,553.25x = 389,327.40 × 82,060.23
  4. Step 4: Simplify right side
    259,553.25x = 31,948,295,989.30
  5. Step 5: Solve for x
    x = 31,948,295,989.30/259,553.25
  6. Step 6: Final answer
    x = 123,089.56

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1.5x scale

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.