Home / 167,712.30-251,131.05-132,428.70

Finding the Fourth Proportional to 167,712.30, 251,131.05 and 132,428.70

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Solution

The fourth proportional to 167,712.30, 251,131.05 and 132,428.70 is: 198,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,712.30 : 251,131.05 = 132,428.70 : x
  2. Step 2: Convert to fraction form
    167,712.30/251,131.05 = 132,428.70/x
  3. Step 3: Cross multiply
    167,712.30x = 251,131.05 × 132,428.70
  4. Step 4: Simplify right side
    167,712.30x = 33,256,958,481.14
  5. Step 5: Solve for x
    x = 33,256,958,481.14/167,712.30
  6. Step 6: Final answer
    x = 198,297.67

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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.