Home / 167,914.78-231,722.02-91,432.69

Finding the Fourth Proportional to 167,914.78, 231,722.02 and 91,432.69

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Solution

The fourth proportional to 167,914.78, 231,722.02 and 91,432.69 is: 126,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,914.78 : 231,722.02 = 91,432.69 : x
  2. Step 2: Convert to fraction form
    167,914.78/231,722.02 = 91,432.69/x
  3. Step 3: Cross multiply
    167,914.78x = 231,722.02 × 91,432.69
  4. Step 4: Simplify right side
    167,914.78x = 21,186,967,620.83
  5. Step 5: Solve for x
    x = 21,186,967,620.83/167,914.78
  6. Step 6: Final answer
    x = 126,176.91

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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.