Home / 167,821.71-251,733.25-67,983.80

Finding the Fourth Proportional to 167,821.71, 251,733.25 and 67,983.80

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Solution

The fourth proportional to 167,821.71, 251,733.25 and 67,983.80 is: 101,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,821.71 : 251,733.25 = 67,983.80 : x
  2. Step 2: Convert to fraction form
    167,821.71/251,733.25 = 67,983.80/x
  3. Step 3: Cross multiply
    167,821.71x = 251,733.25 × 67,983.80
  4. Step 4: Simplify right side
    167,821.71x = 17,113,781,662.68
  5. Step 5: Solve for x
    x = 17,113,781,662.68/167,821.71
  6. Step 6: Final answer
    x = 101,975.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.