Home / 167,589.12-231,268.96-91,106.08

Finding the Fourth Proportional to 167,589.12, 231,268.96 and 91,106.08

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Solution

The fourth proportional to 167,589.12, 231,268.96 and 91,106.08 is: 125,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,589.12 : 231,268.96 = 91,106.08 : x
  2. Step 2: Convert to fraction form
    167,589.12/231,268.96 = 91,106.08/x
  3. Step 3: Cross multiply
    167,589.12x = 231,268.96 × 91,106.08
  4. Step 4: Simplify right side
    167,589.12x = 21,070,008,371.28
  5. Step 5: Solve for x
    x = 21,070,008,371.28/167,589.12
  6. Step 6: Final answer
    x = 125,724.20

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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.