Home / 272,691.36-376,416.72-159,550.56

Finding the Fourth Proportional to 272,691.36, 376,416.72 and 159,550.56

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Solution

The fourth proportional to 272,691.36, 376,416.72 and 159,550.56 is: 220,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,691.36 : 376,416.72 = 159,550.56 : x
  2. Step 2: Convert to fraction form
    272,691.36/376,416.72 = 159,550.56/x
  3. Step 3: Cross multiply
    272,691.36x = 376,416.72 × 159,550.56
  4. Step 4: Simplify right side
    272,691.36x = 60,057,498,469.36
  5. Step 5: Solve for x
    x = 60,057,498,469.36/272,691.36
  6. Step 6: Final answer
    x = 220,239.83

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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.