Home / 347,103.27-478,861.20-226,200.51

Finding the Fourth Proportional to 347,103.27, 478,861.20 and 226,200.51

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Solution

The fourth proportional to 347,103.27, 478,861.20 and 226,200.51 is: 312,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,103.27 : 478,861.20 = 226,200.51 : x
  2. Step 2: Convert to fraction form
    347,103.27/478,861.20 = 226,200.51/x
  3. Step 3: Cross multiply
    347,103.27x = 478,861.20 × 226,200.51
  4. Step 4: Simplify right side
    347,103.27x = 108,318,647,659.21
  5. Step 5: Solve for x
    x = 108,318,647,659.21/347,103.27
  6. Step 6: Final answer
    x = 312,064.61

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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.