Home / 167,981.79-231,814.89-92,530.29

Finding the Fourth Proportional to 167,981.79, 231,814.89 and 92,530.29

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Solution

The fourth proportional to 167,981.79, 231,814.89 and 92,530.29 is: 127,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.79 : 231,814.89 = 92,530.29 : x
  2. Step 2: Convert to fraction form
    167,981.79/231,814.89 = 92,530.29/x
  3. Step 3: Cross multiply
    167,981.79x = 231,814.89 × 92,530.29
  4. Step 4: Simplify right side
    167,981.79x = 21,449,898,998.02
  5. Step 5: Solve for x
    x = 21,449,898,998.02/167,981.79
  6. Step 6: Final answer
    x = 127,691.81

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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.