Home / 327,130.07-451,433.61-199,805.67

Finding the Fourth Proportional to 327,130.07, 451,433.61 and 199,805.67

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Solution

The fourth proportional to 327,130.07, 451,433.61 and 199,805.67 is: 275,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,130.07 : 451,433.61 = 199,805.67 : x
  2. Step 2: Convert to fraction form
    327,130.07/451,433.61 = 199,805.67/x
  3. Step 3: Cross multiply
    327,130.07x = 451,433.61 × 199,805.67
  4. Step 4: Simplify right side
    327,130.07x = 90,198,994,906.57
  5. Step 5: Solve for x
    x = 90,198,994,906.57/327,130.07
  6. Step 6: Final answer
    x = 275,728.23

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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.