Home / 281,633.46-422,451.06-71,271.33

Finding the Fourth Proportional to 281,633.46, 422,451.06 and 71,271.33

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Solution

The fourth proportional to 281,633.46, 422,451.06 and 71,271.33 is: 106,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,633.46 : 422,451.06 = 71,271.33 : x
  2. Step 2: Convert to fraction form
    281,633.46/422,451.06 = 71,271.33/x
  3. Step 3: Cross multiply
    281,633.46x = 422,451.06 × 71,271.33
  4. Step 4: Simplify right side
    281,633.46x = 30,108,648,906.11
  5. Step 5: Solve for x
    x = 30,108,648,906.11/281,633.46
  6. Step 6: Final answer
    x = 106,907.22

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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.