Home / 331,031.48-496,550.46-131,399.96

Finding the Fourth Proportional to 331,031.48, 496,550.46 and 131,399.96

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Solution

The fourth proportional to 331,031.48, 496,550.46 and 131,399.96 is: 197,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,031.48 : 496,550.46 = 131,399.96 : x
  2. Step 2: Convert to fraction form
    331,031.48/496,550.46 = 131,399.96/x
  3. Step 3: Cross multiply
    331,031.48x = 496,550.46 × 131,399.96
  4. Step 4: Simplify right side
    331,031.48x = 65,246,710,581.98
  5. Step 5: Solve for x
    x = 65,246,710,581.98/331,031.48
  6. Step 6: Final answer
    x = 197,101.23

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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.