Home / 167,634.45-231,332.25-91,152.90

Finding the Fourth Proportional to 167,634.45, 231,332.25 and 91,152.90

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Solution

The fourth proportional to 167,634.45, 231,332.25 and 91,152.90 is: 125,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,634.45 : 231,332.25 = 91,152.90 : x
  2. Step 2: Convert to fraction form
    167,634.45/231,332.25 = 91,152.90/x
  3. Step 3: Cross multiply
    167,634.45x = 231,332.25 × 91,152.90
  4. Step 4: Simplify right side
    167,634.45x = 21,086,605,451.03
  5. Step 5: Solve for x
    x = 21,086,605,451.03/167,634.45
  6. Step 6: Final answer
    x = 125,789.21

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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.