Home / 347,217.30-479,157.57-196,314.90

Finding the Fourth Proportional to 347,217.30, 479,157.57 and 196,314.90

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Solution

The fourth proportional to 347,217.30, 479,157.57 and 196,314.90 is: 270,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,217.30 : 479,157.57 = 196,314.90 : x
  2. Step 2: Convert to fraction form
    347,217.30/479,157.57 = 196,314.90/x
  3. Step 3: Cross multiply
    347,217.30x = 479,157.57 × 196,314.90
  4. Step 4: Simplify right side
    347,217.30x = 94,065,770,438.79
  5. Step 5: Solve for x
    x = 94,065,770,438.79/347,217.30
  6. Step 6: Final answer
    x = 270,913.26

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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.