Home / 167,411.26-231,029.24-90,931.85

Finding the Fourth Proportional to 167,411.26, 231,029.24 and 90,931.85

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Solution

The fourth proportional to 167,411.26, 231,029.24 and 90,931.85 is: 125,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,411.26 : 231,029.24 = 90,931.85 : x
  2. Step 2: Convert to fraction form
    167,411.26/231,029.24 = 90,931.85/x
  3. Step 3: Cross multiply
    167,411.26x = 231,029.24 × 90,931.85
  4. Step 4: Simplify right side
    167,411.26x = 21,007,916,876.06
  5. Step 5: Solve for x
    x = 21,007,916,876.06/167,411.26
  6. Step 6: Final answer
    x = 125,486.88

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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.