Home / 269,144.16-403,789.68-79,613.88

Finding the Fourth Proportional to 269,144.16, 403,789.68 and 79,613.88

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Solution

The fourth proportional to 269,144.16, 403,789.68 and 79,613.88 is: 119,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,144.16 : 403,789.68 = 79,613.88 : x
  2. Step 2: Convert to fraction form
    269,144.16/403,789.68 = 79,613.88/x
  3. Step 3: Cross multiply
    269,144.16x = 403,789.68 × 79,613.88
  4. Step 4: Simplify right side
    269,144.16x = 32,147,263,128.76
  5. Step 5: Solve for x
    x = 32,147,263,128.76/269,144.16
  6. Step 6: Final answer
    x = 119,442.54

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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.