Home / 141,918.62-195,846.26-77,387.69

Finding the Fourth Proportional to 141,918.62, 195,846.26 and 77,387.69

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Solution

The fourth proportional to 141,918.62, 195,846.26 and 77,387.69 is: 106,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,918.62 : 195,846.26 = 77,387.69 : x
  2. Step 2: Convert to fraction form
    141,918.62/195,846.26 = 77,387.69/x
  3. Step 3: Cross multiply
    141,918.62x = 195,846.26 × 77,387.69
  4. Step 4: Simplify right side
    141,918.62x = 15,156,089,759.22
  5. Step 5: Solve for x
    x = 15,156,089,759.22/141,918.62
  6. Step 6: Final answer
    x = 106,794.23

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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.