Home / 324,945.99-487,086.66-125,188.11

Finding the Fourth Proportional to 324,945.99, 487,086.66 and 125,188.11

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Solution

The fourth proportional to 324,945.99, 487,086.66 and 125,188.11 is: 187,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,945.99 : 487,086.66 = 125,188.11 : x
  2. Step 2: Convert to fraction form
    324,945.99/487,086.66 = 125,188.11/x
  3. Step 3: Cross multiply
    324,945.99x = 487,086.66 × 125,188.11
  4. Step 4: Simplify right side
    324,945.99x = 60,977,458,371.61
  5. Step 5: Solve for x
    x = 60,977,458,371.61/324,945.99
  6. Step 6: Final answer
    x = 187,654.13

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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.