Home / 167,912.69-231,725.16-91,434.74

Finding the Fourth Proportional to 167,912.69, 231,725.16 and 91,434.74

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Solution

The fourth proportional to 167,912.69, 231,725.16 and 91,434.74 is: 126,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,912.69 : 231,725.16 = 91,434.74 : x
  2. Step 2: Convert to fraction form
    167,912.69/231,725.16 = 91,434.74/x
  3. Step 3: Cross multiply
    167,912.69x = 231,725.16 × 91,434.74
  4. Step 4: Simplify right side
    167,912.69x = 21,187,728,597.43
  5. Step 5: Solve for x
    x = 21,187,728,597.43/167,912.69
  6. Step 6: Final answer
    x = 126,183.01

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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.