Home / 347,420.26-479,399.61-194,466.97

Finding the Fourth Proportional to 347,420.26, 479,399.61 and 194,466.97

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Solution

The fourth proportional to 347,420.26, 479,399.61 and 194,466.97 is: 268,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,420.26 : 479,399.61 = 194,466.97 : x
  2. Step 2: Convert to fraction form
    347,420.26/479,399.61 = 194,466.97/x
  3. Step 3: Cross multiply
    347,420.26x = 479,399.61 × 194,466.97
  4. Step 4: Simplify right side
    347,420.26x = 93,227,389,575.88
  5. Step 5: Solve for x
    x = 93,227,389,575.88/347,420.26
  6. Step 6: Final answer
    x = 268,341.83

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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.