Home / 141,379.26-195,098.43-77,716.60

Finding the Fourth Proportional to 141,379.26, 195,098.43 and 77,716.60

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Solution

The fourth proportional to 141,379.26, 195,098.43 and 77,716.60 is: 107,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379.26 : 195,098.43 = 77,716.60 : x
  2. Step 2: Convert to fraction form
    141,379.26/195,098.43 = 77,716.60/x
  3. Step 3: Cross multiply
    141,379.26x = 195,098.43 × 77,716.60
  4. Step 4: Simplify right side
    141,379.26x = 15,162,386,644.94
  5. Step 5: Solve for x
    x = 15,162,386,644.94/141,379.26
  6. Step 6: Final answer
    x = 107,246.19

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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.