Home / 167,981.29-231,814.19-92,529.79

Finding the Fourth Proportional to 167,981.29, 231,814.19 and 92,529.79

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Solution

The fourth proportional to 167,981.29, 231,814.19 and 92,529.79 is: 127,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.29 : 231,814.19 = 92,529.79 : x
  2. Step 2: Convert to fraction form
    167,981.29/231,814.19 = 92,529.79/x
  3. Step 3: Cross multiply
    167,981.29x = 231,814.19 × 92,529.79
  4. Step 4: Simplify right side
    167,981.29x = 21,449,718,319.72
  5. Step 5: Solve for x
    x = 21,449,718,319.72/167,981.29
  6. Step 6: Final answer
    x = 127,691.12

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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.