Home / 226,839.65-340,243.07-108,479.21

Finding the Fourth Proportional to 226,839.65, 340,243.07 and 108,479.21

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Solution

The fourth proportional to 226,839.65, 340,243.07 and 108,479.21 is: 162,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,839.65 : 340,243.07 = 108,479.21 : x
  2. Step 2: Convert to fraction form
    226,839.65/340,243.07 = 108,479.21/x
  3. Step 3: Cross multiply
    226,839.65x = 340,243.07 × 108,479.21
  4. Step 4: Simplify right side
    226,839.65x = 36,909,299,712.77
  5. Step 5: Solve for x
    x = 36,909,299,712.77/226,839.65
  6. Step 6: Final answer
    x = 162,710.97

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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.