Home / 331,332.20-496,998.30-82,014.20

Finding the Fourth Proportional to 331,332.20, 496,998.30 and 82,014.20

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Solution

The fourth proportional to 331,332.20, 496,998.30 and 82,014.20 is: 123,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,332.20 : 496,998.30 = 82,014.20 : x
  2. Step 2: Convert to fraction form
    331,332.20/496,998.30 = 82,014.20/x
  3. Step 3: Cross multiply
    331,332.20x = 496,998.30 × 82,014.20
  4. Step 4: Simplify right side
    331,332.20x = 40,760,917,975.86
  5. Step 5: Solve for x
    x = 40,760,917,975.86/331,332.20
  6. Step 6: Final answer
    x = 123,021.30

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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.