Home / 347,236.15-479,183.29-196,338.55

Finding the Fourth Proportional to 347,236.15, 479,183.29 and 196,338.55

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Solution

The fourth proportional to 347,236.15, 479,183.29 and 196,338.55 is: 270,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,236.15 : 479,183.29 = 196,338.55 : x
  2. Step 2: Convert to fraction form
    347,236.15/479,183.29 = 196,338.55/x
  3. Step 3: Cross multiply
    347,236.15x = 479,183.29 × 196,338.55
  4. Step 4: Simplify right side
    347,236.15x = 94,082,152,342.83
  5. Step 5: Solve for x
    x = 94,082,152,342.83/347,236.15
  6. Step 6: Final answer
    x = 270,945.73

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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.