Home / 167,819.33-251,729.68-67,981.41

Finding the Fourth Proportional to 167,819.33, 251,729.68 and 67,981.41

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Solution

The fourth proportional to 167,819.33, 251,729.68 and 67,981.41 is: 101,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,819.33 : 251,729.68 = 67,981.41 : x
  2. Step 2: Convert to fraction form
    167,819.33/251,729.68 = 67,981.41/x
  3. Step 3: Cross multiply
    167,819.33x = 251,729.68 × 67,981.41
  4. Step 4: Simplify right side
    167,819.33x = 17,112,939,652.54
  5. Step 5: Solve for x
    x = 17,112,939,652.54/167,819.33
  6. Step 6: Final answer
    x = 101,972.40

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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.