Home / 311,339.10-467,074.30-100,960.68

Finding the Fourth Proportional to 311,339.10, 467,074.30 and 100,960.68

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Solution

The fourth proportional to 311,339.10, 467,074.30 and 100,960.68 is: 151,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,339.10 : 467,074.30 = 100,960.68 : x
  2. Step 2: Convert to fraction form
    311,339.10/467,074.30 = 100,960.68/x
  3. Step 3: Cross multiply
    311,339.10x = 467,074.30 × 100,960.68
  4. Step 4: Simplify right side
    311,339.10x = 47,156,138,938.52
  5. Step 5: Solve for x
    x = 47,156,138,938.52/311,339.10
  6. Step 6: Final answer
    x = 151,462.31

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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.