Home / 227,798.40-340,891.20-198,537.60

Finding the Fourth Proportional to 227,798.40, 340,891.20 and 198,537.60

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Solution

The fourth proportional to 227,798.40, 340,891.20 and 198,537.60 is: 297,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,798.40 : 340,891.20 = 198,537.60 : x
  2. Step 2: Convert to fraction form
    227,798.40/340,891.20 = 198,537.60/x
  3. Step 3: Cross multiply
    227,798.40x = 340,891.20 × 198,537.60
  4. Step 4: Simplify right side
    227,798.40x = 67,679,720,709.12
  5. Step 5: Solve for x
    x = 67,679,720,709.12/227,798.40
  6. Step 6: Final answer
    x = 297,103.58

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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.