Home / 217,566.46-326,351.94-65,764.80

Finding the Fourth Proportional to 217,566.46, 326,351.94 and 65,764.80

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Solution

The fourth proportional to 217,566.46, 326,351.94 and 65,764.80 is: 98,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,566.46 : 326,351.94 = 65,764.80 : x
  2. Step 2: Convert to fraction form
    217,566.46/326,351.94 = 65,764.80/x
  3. Step 3: Cross multiply
    217,566.46x = 326,351.94 × 65,764.80
  4. Step 4: Simplify right side
    217,566.46x = 21,462,469,774.33
  5. Step 5: Solve for x
    x = 21,462,469,774.33/217,566.46
  6. Step 6: Final answer
    x = 98,647.88

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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.