Home / 352,861.08-529,311.90-100,121.79

Finding the Fourth Proportional to 352,861.08, 529,311.90 and 100,121.79

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Solution

The fourth proportional to 352,861.08, 529,311.90 and 100,121.79 is: 150,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,861.08 : 529,311.90 = 100,121.79 : x
  2. Step 2: Convert to fraction form
    352,861.08/529,311.90 = 100,121.79/x
  3. Step 3: Cross multiply
    352,861.08x = 529,311.90 × 100,121.79
  4. Step 4: Simplify right side
    352,861.08x = 52,995,654,896.30
  5. Step 5: Solve for x
    x = 52,995,654,896.30/352,861.08
  6. Step 6: Final answer
    x = 150,188.44

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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.