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Finding the Fourth Proportional to 228,950.76, 343,404.24 and 140,158.56

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Solution

The fourth proportional to 228,950.76, 343,404.24 and 140,158.56 is: 210,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,950.76 : 343,404.24 = 140,158.56 : x
  2. Step 2: Convert to fraction form
    228,950.76/343,404.24 = 140,158.56/x
  3. Step 3: Cross multiply
    228,950.76x = 343,404.24 × 140,158.56
  4. Step 4: Simplify right side
    228,950.76x = 48,131,043,776.29
  5. Step 5: Solve for x
    x = 48,131,043,776.29/228,950.76
  6. Step 6: Final answer
    x = 210,224.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.