Home / 281,947.60-422,921.40-182,414.80

Finding the Fourth Proportional to 281,947.60, 422,921.40 and 182,414.80

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Solution

The fourth proportional to 281,947.60, 422,921.40 and 182,414.80 is: 273,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,947.60 : 422,921.40 = 182,414.80 : x
  2. Step 2: Convert to fraction form
    281,947.60/422,921.40 = 182,414.80/x
  3. Step 3: Cross multiply
    281,947.60x = 422,921.40 × 182,414.80
  4. Step 4: Simplify right side
    281,947.60x = 77,147,122,596.72
  5. Step 5: Solve for x
    x = 77,147,122,596.72/281,947.60
  6. Step 6: Final answer
    x = 273,622.20

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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.