Home / 167,981.55-231,814.56-92,530.05

Finding the Fourth Proportional to 167,981.55, 231,814.56 and 92,530.05

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Solution

The fourth proportional to 167,981.55, 231,814.56 and 92,530.05 is: 127,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.55 : 231,814.56 = 92,530.05 : x
  2. Step 2: Convert to fraction form
    167,981.55/231,814.56 = 92,530.05/x
  3. Step 3: Cross multiply
    167,981.55x = 231,814.56 × 92,530.05
  4. Step 4: Simplify right side
    167,981.55x = 21,449,813,740.66
  5. Step 5: Solve for x
    x = 21,449,813,740.66/167,981.55
  6. Step 6: Final answer
    x = 127,691.48

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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.