Home / 141,067.51-194,673.17-80,639.47

Finding the Fourth Proportional to 141,067.51, 194,673.17 and 80,639.47

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Solution

The fourth proportional to 141,067.51, 194,673.17 and 80,639.47 is: 111,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.51 : 194,673.17 = 80,639.47 : x
  2. Step 2: Convert to fraction form
    141,067.51/194,673.17 = 80,639.47/x
  3. Step 3: Cross multiply
    141,067.51x = 194,673.17 × 80,639.47
  4. Step 4: Simplify right side
    141,067.51x = 15,698,341,252.02
  5. Step 5: Solve for x
    x = 15,698,341,252.02/141,067.51
  6. Step 6: Final answer
    x = 111,282.47

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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.