Home / 331,837.10-497,757.45-82,519.10

Finding the Fourth Proportional to 331,837.10, 497,757.45 and 82,519.10

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Solution

The fourth proportional to 331,837.10, 497,757.45 and 82,519.10 is: 123,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,837.10 : 497,757.45 = 82,519.10 : x
  2. Step 2: Convert to fraction form
    331,837.10/497,757.45 = 82,519.10/x
  3. Step 3: Cross multiply
    331,837.10x = 497,757.45 × 82,519.10
  4. Step 4: Simplify right side
    331,837.10x = 41,074,496,792.30
  5. Step 5: Solve for x
    x = 41,074,496,792.30/331,837.10
  6. Step 6: Final answer
    x = 123,779.10

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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.