Home / 139,324.29-192,326.36-94,063.56

Finding the Fourth Proportional to 139,324.29, 192,326.36 and 94,063.56

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Solution

The fourth proportional to 139,324.29, 192,326.36 and 94,063.56 is: 129,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,324.29 : 192,326.36 = 94,063.56 : x
  2. Step 2: Convert to fraction form
    139,324.29/192,326.36 = 94,063.56/x
  3. Step 3: Cross multiply
    139,324.29x = 192,326.36 × 94,063.56
  4. Step 4: Simplify right side
    139,324.29x = 18,090,901,633.12
  5. Step 5: Solve for x
    x = 18,090,901,633.12/139,324.29
  6. Step 6: Final answer
    x = 129,847.43

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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.