Home / 321,344.24-482,083.80-96,721.12

Finding the Fourth Proportional to 321,344.24, 482,083.80 and 96,721.12

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Solution

The fourth proportional to 321,344.24, 482,083.80 and 96,721.12 is: 145,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,344.24 : 482,083.80 = 96,721.12 : x
  2. Step 2: Convert to fraction form
    321,344.24/482,083.80 = 96,721.12/x
  3. Step 3: Cross multiply
    321,344.24x = 482,083.80 × 96,721.12
  4. Step 4: Simplify right side
    321,344.24x = 46,627,682,175.83
  5. Step 5: Solve for x
    x = 46,627,682,175.83/321,344.24
  6. Step 6: Final answer
    x = 145,101.97

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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.