Home / 167,800.86-231,569.84-91,320.66

Finding the Fourth Proportional to 167,800.86, 231,569.84 and 91,320.66

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Solution

The fourth proportional to 167,800.86, 231,569.84 and 91,320.66 is: 126,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,800.86 : 231,569.84 = 91,320.66 : x
  2. Step 2: Convert to fraction form
    167,800.86/231,569.84 = 91,320.66/x
  3. Step 3: Cross multiply
    167,800.86x = 231,569.84 × 91,320.66
  4. Step 4: Simplify right side
    167,800.86x = 21,147,110,624.89
  5. Step 5: Solve for x
    x = 21,147,110,624.89/167,800.86
  6. Step 6: Final answer
    x = 126,025.04

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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.