Home / 227,976.40-341,446.20-143,995.60

Finding the Fourth Proportional to 227,976.40, 341,446.20 and 143,995.60

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Solution

The fourth proportional to 227,976.40, 341,446.20 and 143,995.60 is: 215,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,976.40 : 341,446.20 = 143,995.60 : x
  2. Step 2: Convert to fraction form
    227,976.40/341,446.20 = 143,995.60/x
  3. Step 3: Cross multiply
    227,976.40x = 341,446.20 × 143,995.60
  4. Step 4: Simplify right side
    227,976.40x = 49,166,750,436.72
  5. Step 5: Solve for x
    x = 49,166,750,436.72/227,976.40
  6. Step 6: Final answer
    x = 215,665.97

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1.5x scale

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.