Home / 299,538.72-449,086.68-181,181.52

Finding the Fourth Proportional to 299,538.72, 449,086.68 and 181,181.52

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Solution

The fourth proportional to 299,538.72, 449,086.68 and 181,181.52 is: 271,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,538.72 : 449,086.68 = 181,181.52 : x
  2. Step 2: Convert to fraction form
    299,538.72/449,086.68 = 181,181.52/x
  3. Step 3: Cross multiply
    299,538.72x = 449,086.68 × 181,181.52
  4. Step 4: Simplify right side
    299,538.72x = 81,366,207,294.15
  5. Step 5: Solve for x
    x = 81,366,207,294.15/299,538.72
  6. Step 6: Final answer
    x = 271,638.36

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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.