Home / 347,217.68-479,168.52-196,315.76

Finding the Fourth Proportional to 347,217.68, 479,168.52 and 196,315.76

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Solution

The fourth proportional to 347,217.68, 479,168.52 and 196,315.76 is: 270,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,217.68 : 479,168.52 = 196,315.76 : x
  2. Step 2: Convert to fraction form
    347,217.68/479,168.52 = 196,315.76/x
  3. Step 3: Cross multiply
    347,217.68x = 479,168.52 × 196,315.76
  4. Step 4: Simplify right side
    347,217.68x = 94,068,332,171.88
  5. Step 5: Solve for x
    x = 94,068,332,171.88/347,217.68
  6. Step 6: Final answer
    x = 270,920.34

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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.