Home / 331,858.19-497,786.34-82,540.19

Finding the Fourth Proportional to 331,858.19, 497,786.34 and 82,540.19

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Solution

The fourth proportional to 331,858.19, 497,786.34 and 82,540.19 is: 123,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,858.19 : 497,786.34 = 82,540.19 : x
  2. Step 2: Convert to fraction form
    331,858.19/497,786.34 = 82,540.19/x
  3. Step 3: Cross multiply
    331,858.19x = 497,786.34 × 82,540.19
  4. Step 4: Simplify right side
    331,858.19x = 41,087,379,083.00
  5. Step 5: Solve for x
    x = 41,087,379,083.00/331,858.19
  6. Step 6: Final answer
    x = 123,810.05

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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.