Home / 227,215.20-340,822.80-108,825.60

Finding the Fourth Proportional to 227,215.20, 340,822.80 and 108,825.60

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Solution

The fourth proportional to 227,215.20, 340,822.80 and 108,825.60 is: 163,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,215.20 : 340,822.80 = 108,825.60 : x
  2. Step 2: Convert to fraction form
    227,215.20/340,822.80 = 108,825.60/x
  3. Step 3: Cross multiply
    227,215.20x = 340,822.80 × 108,825.60
  4. Step 4: Simplify right side
    227,215.20x = 37,090,245,703.68
  5. Step 5: Solve for x
    x = 37,090,245,703.68/227,215.20
  6. Step 6: Final answer
    x = 163,238.40

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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.