Home / 351,974.43-485,597.43-231,181.20

Finding the Fourth Proportional to 351,974.43, 485,597.43 and 231,181.20

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Solution

The fourth proportional to 351,974.43, 485,597.43 and 231,181.20 is: 318,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,974.43 : 485,597.43 = 231,181.20 : x
  2. Step 2: Convert to fraction form
    351,974.43/485,597.43 = 231,181.20/x
  3. Step 3: Cross multiply
    351,974.43x = 485,597.43 × 231,181.20
  4. Step 4: Simplify right side
    351,974.43x = 112,260,996,584.32
  5. Step 5: Solve for x
    x = 112,260,996,584.32/351,974.43
  6. Step 6: Final answer
    x = 318,946.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.