Home / 141,200.28-194,857.45-80,767.19

Finding the Fourth Proportional to 141,200.28, 194,857.45 and 80,767.19

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Solution

The fourth proportional to 141,200.28, 194,857.45 and 80,767.19 is: 111,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,200.28 : 194,857.45 = 80,767.19 : x
  2. Step 2: Convert to fraction form
    141,200.28/194,857.45 = 80,767.19/x
  3. Step 3: Cross multiply
    141,200.28x = 194,857.45 × 80,767.19
  4. Step 4: Simplify right side
    141,200.28x = 15,738,088,972.29
  5. Step 5: Solve for x
    x = 15,738,088,972.29/141,200.28
  6. Step 6: Final answer
    x = 111,459.33

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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.