Home / 192,481.27-288,718.73-57,545.66

Finding the Fourth Proportional to 192,481.27, 288,718.73 and 57,545.66

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Solution

The fourth proportional to 192,481.27, 288,718.73 and 57,545.66 is: 86,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,481.27 : 288,718.73 = 57,545.66 : x
  2. Step 2: Convert to fraction form
    192,481.27/288,718.73 = 57,545.66/x
  3. Step 3: Cross multiply
    192,481.27x = 288,718.73 × 57,545.66
  4. Step 4: Simplify right side
    192,481.27x = 16,614,508,140.89
  5. Step 5: Solve for x
    x = 16,614,508,140.89/192,481.27
  6. Step 6: Final answer
    x = 86,317.53

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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.