Home / 311,234.20-466,851.30-193,136.20

Finding the Fourth Proportional to 311,234.20, 466,851.30 and 193,136.20

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Solution

The fourth proportional to 311,234.20, 466,851.30 and 193,136.20 is: 289,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,234.20 : 466,851.30 = 193,136.20 : x
  2. Step 2: Convert to fraction form
    311,234.20/466,851.30 = 193,136.20/x
  3. Step 3: Cross multiply
    311,234.20x = 466,851.30 × 193,136.20
  4. Step 4: Simplify right side
    311,234.20x = 90,165,886,047.06
  5. Step 5: Solve for x
    x = 90,165,886,047.06/311,234.20
  6. Step 6: Final answer
    x = 289,704.30

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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.