Home / 311,321.10-467,047.24-100,942.62

Finding the Fourth Proportional to 311,321.10, 467,047.24 and 100,942.62

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Solution

The fourth proportional to 311,321.10, 467,047.24 and 100,942.62 is: 151,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,321.10 : 467,047.24 = 100,942.62 : x
  2. Step 2: Convert to fraction form
    311,321.10/467,047.24 = 100,942.62/x
  3. Step 3: Cross multiply
    311,321.10x = 467,047.24 × 100,942.62
  4. Step 4: Simplify right side
    311,321.10x = 47,144,972,069.37
  5. Step 5: Solve for x
    x = 47,144,972,069.37/311,321.10
  6. Step 6: Final answer
    x = 151,435.20

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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.