Home / 167,480.57-231,120.39-91,000.84

Finding the Fourth Proportional to 167,480.57, 231,120.39 and 91,000.84

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Solution

The fourth proportional to 167,480.57, 231,120.39 and 91,000.84 is: 125,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,480.57 : 231,120.39 = 91,000.84 : x
  2. Step 2: Convert to fraction form
    167,480.57/231,120.39 = 91,000.84/x
  3. Step 3: Cross multiply
    167,480.57x = 231,120.39 × 91,000.84
  4. Step 4: Simplify right side
    167,480.57x = 21,032,148,020.52
  5. Step 5: Solve for x
    x = 21,032,148,020.52/167,480.57
  6. Step 6: Final answer
    x = 125,579.63

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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.