Home / 281,627.24-422,441.64-81,952.44

Finding the Fourth Proportional to 281,627.24, 422,441.64 and 81,952.44

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Solution

The fourth proportional to 281,627.24, 422,441.64 and 81,952.44 is: 122,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,627.24 : 422,441.64 = 81,952.44 : x
  2. Step 2: Convert to fraction form
    281,627.24/422,441.64 = 81,952.44/x
  3. Step 3: Cross multiply
    281,627.24x = 422,441.64 × 81,952.44
  4. Step 4: Simplify right side
    281,627.24x = 34,620,123,155.60
  5. Step 5: Solve for x
    x = 34,620,123,155.60/281,627.24
  6. Step 6: Final answer
    x = 122,928.89

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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.