Home / 192,375.82-288,578.22-57,429.22

Finding the Fourth Proportional to 192,375.82, 288,578.22 and 57,429.22

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Solution

The fourth proportional to 192,375.82, 288,578.22 and 57,429.22 is: 86,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,375.82 : 288,578.22 = 57,429.22 : x
  2. Step 2: Convert to fraction form
    192,375.82/288,578.22 = 57,429.22/x
  3. Step 3: Cross multiply
    192,375.82x = 288,578.22 × 57,429.22
  4. Step 4: Simplify right side
    192,375.82x = 16,572,822,083.59
  5. Step 5: Solve for x
    x = 16,572,822,083.59/192,375.82
  6. Step 6: Final answer
    x = 86,148.16

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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.