Home / 311,932.67-467,981.90-98,704.37

Finding the Fourth Proportional to 311,932.67, 467,981.90 and 98,704.37

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Solution

The fourth proportional to 311,932.67, 467,981.90 and 98,704.37 is: 148,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,932.67 : 467,981.90 = 98,704.37 : x
  2. Step 2: Convert to fraction form
    311,932.67/467,981.90 = 98,704.37/x
  3. Step 3: Cross multiply
    311,932.67x = 467,981.90 × 98,704.37
  4. Step 4: Simplify right side
    311,932.67x = 46,191,860,027.62
  5. Step 5: Solve for x
    x = 46,191,860,027.62/311,932.67
  6. Step 6: Final answer
    x = 148,082.79

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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.