Home / 141,456.33-195,219.45-77,794.11

Finding the Fourth Proportional to 141,456.33, 195,219.45 and 77,794.11

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Solution

The fourth proportional to 141,456.33, 195,219.45 and 77,794.11 is: 107,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.33 : 195,219.45 = 77,794.11 : x
  2. Step 2: Convert to fraction form
    141,456.33/195,219.45 = 77,794.11/x
  3. Step 3: Cross multiply
    141,456.33x = 195,219.45 × 77,794.11
  4. Step 4: Simplify right side
    141,456.33x = 15,186,923,367.44
  5. Step 5: Solve for x
    x = 15,186,923,367.44/141,456.33
  6. Step 6: Final answer
    x = 107,361.21

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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.