Home / 221,183.48-331,775.04-54,971.48

Finding the Fourth Proportional to 221,183.48, 331,775.04 and 54,971.48

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Solution

The fourth proportional to 221,183.48, 331,775.04 and 54,971.48 is: 82,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183.48 : 331,775.04 = 54,971.48 : x
  2. Step 2: Convert to fraction form
    221,183.48/331,775.04 = 54,971.48/x
  3. Step 3: Cross multiply
    221,183.48x = 331,775.04 × 54,971.48
  4. Step 4: Simplify right side
    221,183.48x = 18,238,164,975.86
  5. Step 5: Solve for x
    x = 18,238,164,975.86/221,183.48
  6. Step 6: Final answer
    x = 82,457.18

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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.