Home / 141,276.38-194,972.32-80,865.98

Finding the Fourth Proportional to 141,276.38, 194,972.32 and 80,865.98

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Solution

The fourth proportional to 141,276.38, 194,972.32 and 80,865.98 is: 111,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,276.38 : 194,972.32 = 80,865.98 : x
  2. Step 2: Convert to fraction form
    141,276.38/194,972.32 = 80,865.98/x
  3. Step 3: Cross multiply
    141,276.38x = 194,972.32 × 80,865.98
  4. Step 4: Simplify right side
    141,276.38x = 15,766,627,729.67
  5. Step 5: Solve for x
    x = 15,766,627,729.67/141,276.38
  6. Step 6: Final answer
    x = 111,601.30

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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.