Home / 141,067.96-194,686.10-77,418.04

Finding the Fourth Proportional to 141,067.96, 194,686.10 and 77,418.04

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Solution

The fourth proportional to 141,067.96, 194,686.10 and 77,418.04 is: 106,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.96 : 194,686.10 = 77,418.04 : x
  2. Step 2: Convert to fraction form
    141,067.96/194,686.10 = 77,418.04/x
  3. Step 3: Cross multiply
    141,067.96x = 194,686.10 × 77,418.04
  4. Step 4: Simplify right side
    141,067.96x = 15,072,216,277.24
  5. Step 5: Solve for x
    x = 15,072,216,277.24/141,067.96
  6. Step 6: Final answer
    x = 106,843.65

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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.