Home / 141,067.56-194,673.26-80,639.53

Finding the Fourth Proportional to 141,067.56, 194,673.26 and 80,639.53

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Solution

The fourth proportional to 141,067.56, 194,673.26 and 80,639.53 is: 111,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.56 : 194,673.26 = 80,639.53 : x
  2. Step 2: Convert to fraction form
    141,067.56/194,673.26 = 80,639.53/x
  3. Step 3: Cross multiply
    141,067.56x = 194,673.26 × 80,639.53
  4. Step 4: Simplify right side
    141,067.56x = 15,698,360,546.32
  5. Step 5: Solve for x
    x = 15,698,360,546.32/141,067.56
  6. Step 6: Final answer
    x = 111,282.57

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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.