Home / 281,767.02-422,716.05-82,108.62

Finding the Fourth Proportional to 281,767.02, 422,716.05 and 82,108.62

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Solution

The fourth proportional to 281,767.02, 422,716.05 and 82,108.62 is: 123,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,767.02 : 422,716.05 = 82,108.62 : x
  2. Step 2: Convert to fraction form
    281,767.02/422,716.05 = 82,108.62/x
  3. Step 3: Cross multiply
    281,767.02x = 422,716.05 × 82,108.62
  4. Step 4: Simplify right side
    281,767.02x = 34,708,631,517.35
  5. Step 5: Solve for x
    x = 34,708,631,517.35/281,767.02
  6. Step 6: Final answer
    x = 123,182.02

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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.