Home / 196,234.20-294,351.30-71,623.80

Finding the Fourth Proportional to 196,234.20, 294,351.30 and 71,623.80

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Solution

The fourth proportional to 196,234.20, 294,351.30 and 71,623.80 is: 107,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,234.20 : 294,351.30 = 71,623.80 : x
  2. Step 2: Convert to fraction form
    196,234.20/294,351.30 = 71,623.80/x
  3. Step 3: Cross multiply
    196,234.20x = 294,351.30 × 71,623.80
  4. Step 4: Simplify right side
    196,234.20x = 21,082,558,640.94
  5. Step 5: Solve for x
    x = 21,082,558,640.94/196,234.20
  6. Step 6: Final answer
    x = 107,435.70

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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.