Home / 339,147.05-468,021.77-186,181.43

Finding the Fourth Proportional to 339,147.05, 468,021.77 and 186,181.43

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Solution

The fourth proportional to 339,147.05, 468,021.77 and 186,181.43 is: 256,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,147.05 : 468,021.77 = 186,181.43 : x
  2. Step 2: Convert to fraction form
    339,147.05/468,021.77 = 186,181.43/x
  3. Step 3: Cross multiply
    339,147.05x = 468,021.77 × 186,181.43
  4. Step 4: Simplify right side
    339,147.05x = 87,136,959,138.72
  5. Step 5: Solve for x
    x = 87,136,959,138.72/339,147.05
  6. Step 6: Final answer
    x = 256,929.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.