Home / 167,531.80-231,189.98-91,049.08

Finding the Fourth Proportional to 167,531.80, 231,189.98 and 91,049.08

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Solution

The fourth proportional to 167,531.80, 231,189.98 and 91,049.08 is: 125,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,531.80 : 231,189.98 = 91,049.08 : x
  2. Step 2: Convert to fraction form
    167,531.80/231,189.98 = 91,049.08/x
  3. Step 3: Cross multiply
    167,531.80x = 231,189.98 × 91,049.08
  4. Step 4: Simplify right side
    167,531.80x = 21,049,634,984.22
  5. Step 5: Solve for x
    x = 21,049,634,984.22/167,531.80
  6. Step 6: Final answer
    x = 125,645.61

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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.