Home / 270,739.75-372,786.33-240,472.48

Finding the Fourth Proportional to 270,739.75, 372,786.33 and 240,472.48

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Solution

The fourth proportional to 270,739.75, 372,786.33 and 240,472.48 is: 331,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,739.75 : 372,786.33 = 240,472.48 : x
  2. Step 2: Convert to fraction form
    270,739.75/372,786.33 = 240,472.48/x
  3. Step 3: Cross multiply
    270,739.75x = 372,786.33 × 240,472.48
  4. Step 4: Simplify right side
    270,739.75x = 89,644,853,285.20
  5. Step 5: Solve for x
    x = 89,644,853,285.20/270,739.75
  6. Step 6: Final answer
    x = 331,110.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.