Home / 171,198.06-235,920.26-123,361.08

Finding the Fourth Proportional to 171,198.06, 235,920.26 and 123,361.08

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Solution

The fourth proportional to 171,198.06, 235,920.26 and 123,361.08 is: 169,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,198.06 : 235,920.26 = 123,361.08 : x
  2. Step 2: Convert to fraction form
    171,198.06/235,920.26 = 123,361.08/x
  3. Step 3: Cross multiply
    171,198.06x = 235,920.26 × 123,361.08
  4. Step 4: Simplify right side
    171,198.06x = 29,103,378,067.48
  5. Step 5: Solve for x
    x = 29,103,378,067.48/171,198.06
  6. Step 6: Final answer
    x = 169,998.29

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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.