Home / 167,470.56-231,107.68-90,988.08

Finding the Fourth Proportional to 167,470.56, 231,107.68 and 90,988.08

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Solution

The fourth proportional to 167,470.56, 231,107.68 and 90,988.08 is: 125,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,470.56 : 231,107.68 = 90,988.08 : x
  2. Step 2: Convert to fraction form
    167,470.56/231,107.68 = 90,988.08/x
  3. Step 3: Cross multiply
    167,470.56x = 231,107.68 × 90,988.08
  4. Step 4: Simplify right side
    167,470.56x = 21,028,044,076.45
  5. Step 5: Solve for x
    x = 21,028,044,076.45/167,470.56
  6. Step 6: Final answer
    x = 125,562.63

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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.