Home / 167,838.15-231,622.52-91,363.55

Finding the Fourth Proportional to 167,838.15, 231,622.52 and 91,363.55

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Solution

The fourth proportional to 167,838.15, 231,622.52 and 91,363.55 is: 126,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,838.15 : 231,622.52 = 91,363.55 : x
  2. Step 2: Convert to fraction form
    167,838.15/231,622.52 = 91,363.55/x
  3. Step 3: Cross multiply
    167,838.15x = 231,622.52 × 91,363.55
  4. Step 4: Simplify right side
    167,838.15x = 21,161,854,072.22
  5. Step 5: Solve for x
    x = 21,161,854,072.22/167,838.15
  6. Step 6: Final answer
    x = 126,084.88

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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.