Home / 167,470.26-231,111.60-90,990.87

Finding the Fourth Proportional to 167,470.26, 231,111.60 and 90,990.87

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Solution

The fourth proportional to 167,470.26, 231,111.60 and 90,990.87 is: 125,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,470.26 : 231,111.60 = 90,990.87 : x
  2. Step 2: Convert to fraction form
    167,470.26/231,111.60 = 90,990.87/x
  3. Step 3: Cross multiply
    167,470.26x = 231,111.60 × 90,990.87
  4. Step 4: Simplify right side
    167,470.26x = 21,029,045,551.09
  5. Step 5: Solve for x
    x = 21,029,045,551.09/167,470.26
  6. Step 6: Final answer
    x = 125,568.84

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1.5x scale

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.