Home / 139,328.08-192,331.62-94,067.38

Finding the Fourth Proportional to 139,328.08, 192,331.62 and 94,067.38

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Solution

The fourth proportional to 139,328.08, 192,331.62 and 94,067.38 is: 129,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,328.08 : 192,331.62 = 94,067.38 : x
  2. Step 2: Convert to fraction form
    139,328.08/192,331.62 = 94,067.38/x
  3. Step 3: Cross multiply
    139,328.08x = 192,331.62 × 94,067.38
  4. Step 4: Simplify right side
    139,328.08x = 18,092,131,584.56
  5. Step 5: Solve for x
    x = 18,092,131,584.56/139,328.08
  6. Step 6: Final answer
    x = 129,852.73

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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.