Home / 141,231.33-194,898.57-76,700.11

Finding the Fourth Proportional to 141,231.33, 194,898.57 and 76,700.11

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Solution

The fourth proportional to 141,231.33, 194,898.57 and 76,700.11 is: 105,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,231.33 : 194,898.57 = 76,700.11 : x
  2. Step 2: Convert to fraction form
    141,231.33/194,898.57 = 76,700.11/x
  3. Step 3: Cross multiply
    141,231.33x = 194,898.57 × 76,700.11
  4. Step 4: Simplify right side
    141,231.33x = 14,948,741,757.84
  5. Step 5: Solve for x
    x = 14,948,741,757.84/141,231.33
  6. Step 6: Final answer
    x = 105,845.79

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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.