Home / 109,184.85-163,789.11-34,307.43

Finding the Fourth Proportional to 109,184.85, 163,789.11 and 34,307.43

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Solution

The fourth proportional to 109,184.85, 163,789.11 and 34,307.43 is: 51,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,184.85 : 163,789.11 = 34,307.43 : x
  2. Step 2: Convert to fraction form
    109,184.85/163,789.11 = 34,307.43/x
  3. Step 3: Cross multiply
    109,184.85x = 163,789.11 × 34,307.43
  4. Step 4: Simplify right side
    109,184.85x = 5,619,183,426.09
  5. Step 5: Solve for x
    x = 5,619,183,426.09/109,184.85
  6. Step 6: Final answer
    x = 51,464.86

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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.