Home / 141,122.30-194,839.97-87,464.25

Finding the Fourth Proportional to 141,122.30, 194,839.97 and 87,464.25

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Solution

The fourth proportional to 141,122.30, 194,839.97 and 87,464.25 is: 120,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,122.30 : 194,839.97 = 87,464.25 : x
  2. Step 2: Convert to fraction form
    141,122.30/194,839.97 = 87,464.25/x
  3. Step 3: Cross multiply
    141,122.30x = 194,839.97 × 87,464.25
  4. Step 4: Simplify right side
    141,122.30x = 17,041,531,408.75
  5. Step 5: Solve for x
    x = 17,041,531,408.75/141,122.30
  6. Step 6: Final answer
    x = 120,757.19

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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.