Home / 324,860.23-487,234.45-88,221.97

Finding the Fourth Proportional to 324,860.23, 487,234.45 and 88,221.97

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Solution

The fourth proportional to 324,860.23, 487,234.45 and 88,221.97 is: 132,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,860.23 : 487,234.45 = 88,221.97 : x
  2. Step 2: Convert to fraction form
    324,860.23/487,234.45 = 88,221.97/x
  3. Step 3: Cross multiply
    324,860.23x = 487,234.45 × 88,221.97
  4. Step 4: Simplify right side
    324,860.23x = 42,984,783,030.87
  5. Step 5: Solve for x
    x = 42,984,783,030.87/324,860.23
  6. Step 6: Final answer
    x = 132,317.78

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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.