Home / 227,107.91-340,711.74-67,171.35

Finding the Fourth Proportional to 227,107.91, 340,711.74 and 67,171.35

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Solution

The fourth proportional to 227,107.91, 340,711.74 and 67,171.35 is: 100,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,107.91 : 340,711.74 = 67,171.35 : x
  2. Step 2: Convert to fraction form
    227,107.91/340,711.74 = 67,171.35/x
  3. Step 3: Cross multiply
    227,107.91x = 340,711.74 × 67,171.35
  4. Step 4: Simplify right side
    227,107.91x = 22,886,068,044.99
  5. Step 5: Solve for x
    x = 22,886,068,044.99/227,107.91
  6. Step 6: Final answer
    x = 100,771.78

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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.