Home / 281,869.85-422,706.29-132,180.64

Finding the Fourth Proportional to 281,869.85, 422,706.29 and 132,180.64

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Solution

The fourth proportional to 281,869.85, 422,706.29 and 132,180.64 is: 198,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,869.85 : 422,706.29 = 132,180.64 : x
  2. Step 2: Convert to fraction form
    281,869.85/422,706.29 = 132,180.64/x
  3. Step 3: Cross multiply
    281,869.85x = 422,706.29 × 132,180.64
  4. Step 4: Simplify right side
    281,869.85x = 55,873,586,226.56
  5. Step 5: Solve for x
    x = 55,873,586,226.56/281,869.85
  6. Step 6: Final answer
    x = 198,224.77

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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.