Home / 327,031.88-451,022.98-212,197.40

Finding the Fourth Proportional to 327,031.88, 451,022.98 and 212,197.40

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Solution

The fourth proportional to 327,031.88, 451,022.98 and 212,197.40 is: 292,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,031.88 : 451,022.98 = 212,197.40 : x
  2. Step 2: Convert to fraction form
    327,031.88/451,022.98 = 212,197.40/x
  3. Step 3: Cross multiply
    327,031.88x = 451,022.98 × 212,197.40
  4. Step 4: Simplify right side
    327,031.88x = 95,705,903,696.25
  5. Step 5: Solve for x
    x = 95,705,903,696.25/327,031.88
  6. Step 6: Final answer
    x = 292,650.07

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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.