Home / 109,690.20-164,551.38-34,785.36

Finding the Fourth Proportional to 109,690.20, 164,551.38 and 34,785.36

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Solution

The fourth proportional to 109,690.20, 164,551.38 and 34,785.36 is: 52,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,690.20 : 164,551.38 = 34,785.36 : x
  2. Step 2: Convert to fraction form
    109,690.20/164,551.38 = 34,785.36/x
  3. Step 3: Cross multiply
    109,690.20x = 164,551.38 × 34,785.36
  4. Step 4: Simplify right side
    109,690.20x = 5,723,978,991.80
  5. Step 5: Solve for x
    x = 5,723,978,991.80/109,690.20
  6. Step 6: Final answer
    x = 52,183.14

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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.