Home / 238,057.48-356,837.12-80,231.44

Finding the Fourth Proportional to 238,057.48, 356,837.12 and 80,231.44

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Solution

The fourth proportional to 238,057.48, 356,837.12 and 80,231.44 is: 120,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,057.48 : 356,837.12 = 80,231.44 : x
  2. Step 2: Convert to fraction form
    238,057.48/356,837.12 = 80,231.44/x
  3. Step 3: Cross multiply
    238,057.48x = 356,837.12 × 80,231.44
  4. Step 4: Simplify right side
    238,057.48x = 28,629,555,983.05
  5. Step 5: Solve for x
    x = 28,629,555,983.05/238,057.48
  6. Step 6: Final answer
    x = 120,263.21

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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.