Home / 127,943.87-192,082.12-98,382.47

Finding the Fourth Proportional to 127,943.87, 192,082.12 and 98,382.47

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Solution

The fourth proportional to 127,943.87, 192,082.12 and 98,382.47 is: 147,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.87 : 192,082.12 = 98,382.47 : x
  2. Step 2: Convert to fraction form
    127,943.87/192,082.12 = 98,382.47/x
  3. Step 3: Cross multiply
    127,943.87x = 192,082.12 × 98,382.47
  4. Step 4: Simplify right side
    127,943.87x = 18,897,513,408.44
  5. Step 5: Solve for x
    x = 18,897,513,408.44/127,943.87
  6. Step 6: Final answer
    x = 147,701.59

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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.