Home / 167,470.64-231,112.10-90,991.24

Finding the Fourth Proportional to 167,470.64, 231,112.10 and 90,991.24

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Solution

The fourth proportional to 167,470.64, 231,112.10 and 90,991.24 is: 125,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,470.64 : 231,112.10 = 90,991.24 : x
  2. Step 2: Convert to fraction form
    167,470.64/231,112.10 = 90,991.24/x
  3. Step 3: Cross multiply
    167,470.64x = 231,112.10 × 90,991.24
  4. Step 4: Simplify right side
    167,470.64x = 21,029,176,558.00
  5. Step 5: Solve for x
    x = 21,029,176,558.00/167,470.64
  6. Step 6: Final answer
    x = 125,569.33

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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.