Home / 227,619.20-341,428.80-109,229.60

Finding the Fourth Proportional to 227,619.20, 341,428.80 and 109,229.60

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Solution

The fourth proportional to 227,619.20, 341,428.80 and 109,229.60 is: 163,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,619.20 : 341,428.80 = 109,229.60 : x
  2. Step 2: Convert to fraction form
    227,619.20/341,428.80 = 109,229.60/x
  3. Step 3: Cross multiply
    227,619.20x = 341,428.80 × 109,229.60
  4. Step 4: Simplify right side
    227,619.20x = 37,294,131,252.48
  5. Step 5: Solve for x
    x = 37,294,131,252.48/227,619.20
  6. Step 6: Final answer
    x = 163,844.40

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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.