Home / 331,860.19-497,789.34-82,542.19

Finding the Fourth Proportional to 331,860.19, 497,789.34 and 82,542.19

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Solution

The fourth proportional to 331,860.19, 497,789.34 and 82,542.19 is: 123,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,860.19 : 497,789.34 = 82,542.19 : x
  2. Step 2: Convert to fraction form
    331,860.19/497,789.34 = 82,542.19/x
  3. Step 3: Cross multiply
    331,860.19x = 497,789.34 × 82,542.19
  4. Step 4: Simplify right side
    331,860.19x = 41,088,622,282.25
  5. Step 5: Solve for x
    x = 41,088,622,282.25/331,860.19
  6. Step 6: Final answer
    x = 123,813.05

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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.