Home / 141,228.06-194,900.85-80,817.66

Finding the Fourth Proportional to 141,228.06, 194,900.85 and 80,817.66

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Solution

The fourth proportional to 141,228.06, 194,900.85 and 80,817.66 is: 111,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,228.06 : 194,900.85 = 80,817.66 : x
  2. Step 2: Convert to fraction form
    141,228.06/194,900.85 = 80,817.66/x
  3. Step 3: Cross multiply
    141,228.06x = 194,900.85 × 80,817.66
  4. Step 4: Simplify right side
    141,228.06x = 15,751,430,629.01
  5. Step 5: Solve for x
    x = 15,751,430,629.01/141,228.06
  6. Step 6: Final answer
    x = 111,531.88

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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.