Home / 321,739.29-444,021.28-185,778.97

Finding the Fourth Proportional to 321,739.29, 444,021.28 and 185,778.97

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Solution

The fourth proportional to 321,739.29, 444,021.28 and 185,778.97 is: 256,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,739.29 : 444,021.28 = 185,778.97 : x
  2. Step 2: Convert to fraction form
    321,739.29/444,021.28 = 185,778.97/x
  3. Step 3: Cross multiply
    321,739.29x = 444,021.28 × 185,778.97
  4. Step 4: Simplify right side
    321,739.29x = 82,489,814,481.98
  5. Step 5: Solve for x
    x = 82,489,814,481.98/321,739.29
  6. Step 6: Final answer
    x = 256,387.13

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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.