Home / 217,366-326,078.16-92,736.16

Finding the Fourth Proportional to 217,366, 326,078.16 and 92,736.16

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Solution

The fourth proportional to 217,366, 326,078.16 and 92,736.16 is: 139,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,366 : 326,078.16 = 92,736.16 : x
  2. Step 2: Convert to fraction form
    217,366/326,078.16 = 92,736.16/x
  3. Step 3: Cross multiply
    217,366x = 326,078.16 × 92,736.16
  4. Step 4: Simplify right side
    217,366x = 30,239,236,418.27
  5. Step 5: Solve for x
    x = 30,239,236,418.27/217,366
  6. Step 6: Final answer
    x = 139,116.68

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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.