Home / 141,163.48-194,805.94-77,505.38

Finding the Fourth Proportional to 141,163.48, 194,805.94 and 77,505.38

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Solution

The fourth proportional to 141,163.48, 194,805.94 and 77,505.38 is: 106,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,163.48 : 194,805.94 = 77,505.38 : x
  2. Step 2: Convert to fraction form
    141,163.48/194,805.94 = 77,505.38/x
  3. Step 3: Cross multiply
    141,163.48x = 194,805.94 × 77,505.38
  4. Step 4: Simplify right side
    141,163.48x = 15,098,508,405.96
  5. Step 5: Solve for x
    x = 15,098,508,405.96/141,163.48
  6. Step 6: Final answer
    x = 106,957.61

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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.