Home / 327,017.85-451,003.61-212,183.34

Finding the Fourth Proportional to 327,017.85, 451,003.61 and 212,183.34

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Solution

The fourth proportional to 327,017.85, 451,003.61 and 212,183.34 is: 292,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,017.85 : 451,003.61 = 212,183.34 : x
  2. Step 2: Convert to fraction form
    327,017.85/451,003.61 = 212,183.34/x
  3. Step 3: Cross multiply
    327,017.85x = 451,003.61 × 212,183.34
  4. Step 4: Simplify right side
    327,017.85x = 95,695,452,321.86
  5. Step 5: Solve for x
    x = 95,695,452,321.86/327,017.85
  6. Step 6: Final answer
    x = 292,630.67

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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.