Home / 167,432.89-231,057.35-91,981.33

Finding the Fourth Proportional to 167,432.89, 231,057.35 and 91,981.33

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Solution

The fourth proportional to 167,432.89, 231,057.35 and 91,981.33 is: 126,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,432.89 : 231,057.35 = 91,981.33 : x
  2. Step 2: Convert to fraction form
    167,432.89/231,057.35 = 91,981.33/x
  3. Step 3: Cross multiply
    167,432.89x = 231,057.35 × 91,981.33
  4. Step 4: Simplify right side
    167,432.89x = 21,252,961,899.37
  5. Step 5: Solve for x
    x = 21,252,961,899.37/167,432.89
  6. Step 6: Final answer
    x = 126,934.21

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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.