Home / 331,826.22-497,739.06-82,508.22

Finding the Fourth Proportional to 331,826.22, 497,739.06 and 82,508.22

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Solution

The fourth proportional to 331,826.22, 497,739.06 and 82,508.22 is: 123,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,826.22 : 497,739.06 = 82,508.22 : x
  2. Step 2: Convert to fraction form
    331,826.22/497,739.06 = 82,508.22/x
  3. Step 3: Cross multiply
    331,826.22x = 497,739.06 × 82,508.22
  4. Step 4: Simplify right side
    331,826.22x = 41,067,563,865.07
  5. Step 5: Solve for x
    x = 41,067,563,865.07/331,826.22
  6. Step 6: Final answer
    x = 123,762.26

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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.