Home / 141,265.99-194,960.78-80,845.26

Finding the Fourth Proportional to 141,265.99, 194,960.78 and 80,845.26

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Solution

The fourth proportional to 141,265.99, 194,960.78 and 80,845.26 is: 111,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,265.99 : 194,960.78 = 80,845.26 : x
  2. Step 2: Convert to fraction form
    141,265.99/194,960.78 = 80,845.26/x
  3. Step 3: Cross multiply
    141,265.99x = 194,960.78 × 80,845.26
  4. Step 4: Simplify right side
    141,265.99x = 15,761,654,948.90
  5. Step 5: Solve for x
    x = 15,761,654,948.90/141,265.99
  6. Step 6: Final answer
    x = 111,574.31

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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.