Home / 146,026.12-219,040.92-57,321.40

Finding the Fourth Proportional to 146,026.12, 219,040.92 and 57,321.40

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Solution

The fourth proportional to 146,026.12, 219,040.92 and 57,321.40 is: 85,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,026.12 : 219,040.92 = 57,321.40 : x
  2. Step 2: Convert to fraction form
    146,026.12/219,040.92 = 57,321.40/x
  3. Step 3: Cross multiply
    146,026.12x = 219,040.92 × 57,321.40
  4. Step 4: Simplify right side
    146,026.12x = 12,555,732,191.69
  5. Step 5: Solve for x
    x = 12,555,732,191.69/146,026.12
  6. Step 6: Final answer
    x = 85,982.78

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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.