Home / 327,100.66-451,246.46-212,370.64

Finding the Fourth Proportional to 327,100.66, 451,246.46 and 212,370.64

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Solution

The fourth proportional to 327,100.66, 451,246.46 and 212,370.64 is: 292,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,100.66 : 451,246.46 = 212,370.64 : x
  2. Step 2: Convert to fraction form
    327,100.66/451,246.46 = 212,370.64/x
  3. Step 3: Cross multiply
    327,100.66x = 451,246.46 × 212,370.64
  4. Step 4: Simplify right side
    327,100.66x = 95,831,499,507.93
  5. Step 5: Solve for x
    x = 95,831,499,507.93/327,100.66
  6. Step 6: Final answer
    x = 292,972.50

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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.