Home / 141,028.17-194,606.55-80,586.78

Finding the Fourth Proportional to 141,028.17, 194,606.55 and 80,586.78

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Solution

The fourth proportional to 141,028.17, 194,606.55 and 80,586.78 is: 111,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,028.17 : 194,606.55 = 80,586.78 : x
  2. Step 2: Convert to fraction form
    141,028.17/194,606.55 = 80,586.78/x
  3. Step 3: Cross multiply
    141,028.17x = 194,606.55 × 80,586.78
  4. Step 4: Simplify right side
    141,028.17x = 15,682,715,231.41
  5. Step 5: Solve for x
    x = 15,682,715,231.41/141,028.17
  6. Step 6: Final answer
    x = 111,202.71

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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.