Home / 141,046.36-194,643.98-80,618.30

Finding the Fourth Proportional to 141,046.36, 194,643.98 and 80,618.30

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Solution

The fourth proportional to 141,046.36, 194,643.98 and 80,618.30 is: 111,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,046.36 : 194,643.98 = 80,618.30 : x
  2. Step 2: Convert to fraction form
    141,046.36/194,643.98 = 80,618.30/x
  3. Step 3: Cross multiply
    141,046.36x = 194,643.98 × 80,618.30
  4. Step 4: Simplify right side
    141,046.36x = 15,691,866,797.84
  5. Step 5: Solve for x
    x = 15,691,866,797.84/141,046.36
  6. Step 6: Final answer
    x = 111,253.26

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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.