Home / 216,270.28-323,970.44-107,872.84

Finding the Fourth Proportional to 216,270.28, 323,970.44 and 107,872.84

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Solution

The fourth proportional to 216,270.28, 323,970.44 and 107,872.84 is: 161,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,270.28 : 323,970.44 = 107,872.84 : x
  2. Step 2: Convert to fraction form
    216,270.28/323,970.44 = 107,872.84/x
  3. Step 3: Cross multiply
    216,270.28x = 323,970.44 × 107,872.84
  4. Step 4: Simplify right side
    216,270.28x = 34,947,611,438.85
  5. Step 5: Solve for x
    x = 34,947,611,438.85/216,270.28
  6. Step 6: Final answer
    x = 161,592.30

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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.