Home / 139,326.30-192,329.12-94,065.56

Finding the Fourth Proportional to 139,326.30, 192,329.12 and 94,065.56

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Solution

The fourth proportional to 139,326.30, 192,329.12 and 94,065.56 is: 129,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,326.30 : 192,329.12 = 94,065.56 : x
  2. Step 2: Convert to fraction form
    139,326.30/192,329.12 = 94,065.56/x
  3. Step 3: Cross multiply
    139,326.30x = 192,329.12 × 94,065.56
  4. Step 4: Simplify right side
    139,326.30x = 18,091,546,377.11
  5. Step 5: Solve for x
    x = 18,091,546,377.11/139,326.30
  6. Step 6: Final answer
    x = 129,850.19

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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.