Home / 299,665.12-449,514.94-112,678.24

Finding the Fourth Proportional to 299,665.12, 449,514.94 and 112,678.24

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Solution

The fourth proportional to 299,665.12, 449,514.94 and 112,678.24 is: 169,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,665.12 : 449,514.94 = 112,678.24 : x
  2. Step 2: Convert to fraction form
    299,665.12/449,514.94 = 112,678.24/x
  3. Step 3: Cross multiply
    299,665.12x = 449,514.94 × 112,678.24
  4. Step 4: Simplify right side
    299,665.12x = 50,650,552,292.91
  5. Step 5: Solve for x
    x = 50,650,552,292.91/299,665.12
  6. Step 6: Final answer
    x = 169,023.85

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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.