Home / 141,171.64-194,761.30-80,709.80

Finding the Fourth Proportional to 141,171.64, 194,761.30 and 80,709.80

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Solution

The fourth proportional to 141,171.64, 194,761.30 and 80,709.80 is: 111,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,171.64 : 194,761.30 = 80,709.80 : x
  2. Step 2: Convert to fraction form
    141,171.64/194,761.30 = 80,709.80/x
  3. Step 3: Cross multiply
    141,171.64x = 194,761.30 × 80,709.80
  4. Step 4: Simplify right side
    141,171.64x = 15,719,145,570.74
  5. Step 5: Solve for x
    x = 15,719,145,570.74/141,171.64
  6. Step 6: Final answer
    x = 111,347.76

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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.