Home / 141,169.48-194,758.32-80,707.64

Finding the Fourth Proportional to 141,169.48, 194,758.32 and 80,707.64

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Solution

The fourth proportional to 141,169.48, 194,758.32 and 80,707.64 is: 111,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,169.48 : 194,758.32 = 80,707.64 : x
  2. Step 2: Convert to fraction form
    141,169.48/194,758.32 = 80,707.64/x
  3. Step 3: Cross multiply
    141,169.48x = 194,758.32 × 80,707.64
  4. Step 4: Simplify right side
    141,169.48x = 15,718,484,377.56
  5. Step 5: Solve for x
    x = 15,718,484,377.56/141,169.48
  6. Step 6: Final answer
    x = 111,344.78

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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.