Home / 167,998.35-251,910.05-79,228.02

Finding the Fourth Proportional to 167,998.35, 251,910.05 and 79,228.02

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Solution

The fourth proportional to 167,998.35, 251,910.05 and 79,228.02 is: 118,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,998.35 : 251,910.05 = 79,228.02 : x
  2. Step 2: Convert to fraction form
    167,998.35/251,910.05 = 79,228.02/x
  3. Step 3: Cross multiply
    167,998.35x = 251,910.05 × 79,228.02
  4. Step 4: Simplify right side
    167,998.35x = 19,958,335,473.78
  5. Step 5: Solve for x
    x = 19,958,335,473.78/167,998.35
  6. Step 6: Final answer
    x = 118,800.78

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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.