Home / 141,245.38-194,871.11-79,983.19

Finding the Fourth Proportional to 141,245.38, 194,871.11 and 79,983.19

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Solution

The fourth proportional to 141,245.38, 194,871.11 and 79,983.19 is: 110,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,245.38 : 194,871.11 = 79,983.19 : x
  2. Step 2: Convert to fraction form
    141,245.38/194,871.11 = 79,983.19/x
  3. Step 3: Cross multiply
    141,245.38x = 194,871.11 × 79,983.19
  4. Step 4: Simplify right side
    141,245.38x = 15,586,412,129.55
  5. Step 5: Solve for x
    x = 15,586,412,129.55/141,245.38
  6. Step 6: Final answer
    x = 110,349.89

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1.5x scale

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.