Home / 167,951.08-231,767.76-91,468.45

Finding the Fourth Proportional to 167,951.08, 231,767.76 and 91,468.45

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Solution

The fourth proportional to 167,951.08, 231,767.76 and 91,468.45 is: 126,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,951.08 : 231,767.76 = 91,468.45 : x
  2. Step 2: Convert to fraction form
    167,951.08/231,767.76 = 91,468.45/x
  3. Step 3: Cross multiply
    167,951.08x = 231,767.76 × 91,468.45
  4. Step 4: Simplify right side
    167,951.08x = 21,199,437,767.17
  5. Step 5: Solve for x
    x = 21,199,437,767.17/167,951.08
  6. Step 6: Final answer
    x = 126,223.88

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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.