Home / 327,028.88-451,018.84-212,194.40

Finding the Fourth Proportional to 327,028.88, 451,018.84 and 212,194.40

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Solution

The fourth proportional to 327,028.88, 451,018.84 and 212,194.40 is: 292,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,028.88 : 451,018.84 = 212,194.40 : x
  2. Step 2: Convert to fraction form
    327,028.88/451,018.84 = 212,194.40/x
  3. Step 3: Cross multiply
    327,028.88x = 451,018.84 × 212,194.40
  4. Step 4: Simplify right side
    327,028.88x = 95,703,672,142.50
  5. Step 5: Solve for x
    x = 95,703,672,142.50/327,028.88
  6. Step 6: Final answer
    x = 292,645.93

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1.5x scale

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.