Home / 216,049.50-323,640.20-107,651.92

Finding the Fourth Proportional to 216,049.50, 323,640.20 and 107,651.92

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Solution

The fourth proportional to 216,049.50, 323,640.20 and 107,651.92 is: 161,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,049.50 : 323,640.20 = 107,651.92 : x
  2. Step 2: Convert to fraction form
    216,049.50/323,640.20 = 107,651.92/x
  3. Step 3: Cross multiply
    216,049.50x = 323,640.20 × 107,651.92
  4. Step 4: Simplify right side
    216,049.50x = 34,840,487,571.82
  5. Step 5: Solve for x
    x = 34,840,487,571.82/216,049.50
  6. Step 6: Final answer
    x = 161,261.60

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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.