Home / 139,470.26-192,473.55-82,099.17

Finding the Fourth Proportional to 139,470.26, 192,473.55 and 82,099.17

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Solution

The fourth proportional to 139,470.26, 192,473.55 and 82,099.17 is: 113,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,470.26 : 192,473.55 = 82,099.17 : x
  2. Step 2: Convert to fraction form
    139,470.26/192,473.55 = 82,099.17/x
  3. Step 3: Cross multiply
    139,470.26x = 192,473.55 × 82,099.17
  4. Step 4: Simplify right side
    139,470.26x = 15,801,918,701.95
  5. Step 5: Solve for x
    x = 15,801,918,701.95/139,470.26
  6. Step 6: Final answer
    x = 113,299.56

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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.