Home / 281,947.96-422,782-89,797.32

Finding the Fourth Proportional to 281,947.96, 422,782 and 89,797.32

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Solution

The fourth proportional to 281,947.96, 422,782 and 89,797.32 is: 134,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,947.96 : 422,782 = 89,797.32 : x
  2. Step 2: Convert to fraction form
    281,947.96/422,782 = 89,797.32/x
  3. Step 3: Cross multiply
    281,947.96x = 422,782 × 89,797.32
  4. Step 4: Simplify right side
    281,947.96x = 37,964,690,544.24
  5. Step 5: Solve for x
    x = 37,964,690,544.24/281,947.96
  6. Step 6: Final answer
    x = 134,651.41

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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.