Home / 234,942.65-324,221.17-127,512.68

Finding the Fourth Proportional to 234,942.65, 324,221.17 and 127,512.68

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Solution

The fourth proportional to 234,942.65, 324,221.17 and 127,512.68 is: 175,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,942.65 : 324,221.17 = 127,512.68 : x
  2. Step 2: Convert to fraction form
    234,942.65/324,221.17 = 127,512.68/x
  3. Step 3: Cross multiply
    234,942.65x = 324,221.17 × 127,512.68
  4. Step 4: Simplify right side
    234,942.65x = 41,342,310,299.44
  5. Step 5: Solve for x
    x = 41,342,310,299.44/234,942.65
  6. Step 6: Final answer
    x = 175,967.67

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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.