Home / 331,320.10-496,980.15-109,704.10

Finding the Fourth Proportional to 331,320.10, 496,980.15 and 109,704.10

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Solution

The fourth proportional to 331,320.10, 496,980.15 and 109,704.10 is: 164,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,320.10 : 496,980.15 = 109,704.10 : x
  2. Step 2: Convert to fraction form
    331,320.10/496,980.15 = 109,704.10/x
  3. Step 3: Cross multiply
    331,320.10x = 496,980.15 × 109,704.10
  4. Step 4: Simplify right side
    331,320.10x = 54,520,760,073.62
  5. Step 5: Solve for x
    x = 54,520,760,073.62/331,320.10
  6. Step 6: Final answer
    x = 164,556.15

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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.