Home / 347,443.62-479,474.02-196,537.38

Finding the Fourth Proportional to 347,443.62, 479,474.02 and 196,537.38

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Solution

The fourth proportional to 347,443.62, 479,474.02 and 196,537.38 is: 271,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,443.62 : 479,474.02 = 196,537.38 : x
  2. Step 2: Convert to fraction form
    347,443.62/479,474.02 = 196,537.38/x
  3. Step 3: Cross multiply
    347,443.62x = 479,474.02 × 196,537.38
  4. Step 4: Simplify right side
    347,443.62x = 94,234,567,668.87
  5. Step 5: Solve for x
    x = 94,234,567,668.87/347,443.62
  6. Step 6: Final answer
    x = 271,222.62

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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.