Home / 109,078.43-163,617.62-34,198.96

Finding the Fourth Proportional to 109,078.43, 163,617.62 and 34,198.96

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Solution

The fourth proportional to 109,078.43, 163,617.62 and 34,198.96 is: 51,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,078.43 : 163,617.62 = 34,198.96 : x
  2. Step 2: Convert to fraction form
    109,078.43/163,617.62 = 34,198.96/x
  3. Step 3: Cross multiply
    109,078.43x = 163,617.62 × 34,198.96
  4. Step 4: Simplify right side
    109,078.43x = 5,595,552,118.13
  5. Step 5: Solve for x
    x = 5,595,552,118.13/109,078.43
  6. Step 6: Final answer
    x = 51,298.43

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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.