Home / 327,450.02-451,888.35-200,195.78

Finding the Fourth Proportional to 327,450.02, 451,888.35 and 200,195.78

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Solution

The fourth proportional to 327,450.02, 451,888.35 and 200,195.78 is: 276,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,450.02 : 451,888.35 = 200,195.78 : x
  2. Step 2: Convert to fraction form
    327,450.02/451,888.35 = 200,195.78/x
  3. Step 3: Cross multiply
    327,450.02x = 451,888.35 × 200,195.78
  4. Step 4: Simplify right side
    327,450.02x = 90,466,140,701.16
  5. Step 5: Solve for x
    x = 90,466,140,701.16/327,450.02
  6. Step 6: Final answer
    x = 276,274.65

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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.