Home / 266,913.90-400,481.42-117,076.86

Finding the Fourth Proportional to 266,913.90, 400,481.42 and 117,076.86

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Solution

The fourth proportional to 266,913.90, 400,481.42 and 117,076.86 is: 175,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,913.90 : 400,481.42 = 117,076.86 : x
  2. Step 2: Convert to fraction form
    266,913.90/400,481.42 = 117,076.86/x
  3. Step 3: Cross multiply
    266,913.90x = 400,481.42 × 117,076.86
  4. Step 4: Simplify right side
    266,913.90x = 46,887,106,556.56
  5. Step 5: Solve for x
    x = 46,887,106,556.56/266,913.90
  6. Step 6: Final answer
    x = 175,663.79

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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.