Home / 167,910.72-231,708.48-92,445.12

Finding the Fourth Proportional to 167,910.72, 231,708.48 and 92,445.12

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Solution

The fourth proportional to 167,910.72, 231,708.48 and 92,445.12 is: 127,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,910.72 : 231,708.48 = 92,445.12 : x
  2. Step 2: Convert to fraction form
    167,910.72/231,708.48 = 92,445.12/x
  3. Step 3: Cross multiply
    167,910.72x = 231,708.48 × 92,445.12
  4. Step 4: Simplify right side
    167,910.72x = 21,420,318,238.62
  5. Step 5: Solve for x
    x = 21,420,318,238.62/167,910.72
  6. Step 6: Final answer
    x = 127,569.69

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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.