Home / 221,918.12-332,879.61-64,147.94

Finding the Fourth Proportional to 221,918.12, 332,879.61 and 64,147.94

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Solution

The fourth proportional to 221,918.12, 332,879.61 and 64,147.94 is: 96,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,918.12 : 332,879.61 = 64,147.94 : x
  2. Step 2: Convert to fraction form
    221,918.12/332,879.61 = 64,147.94/x
  3. Step 3: Cross multiply
    221,918.12x = 332,879.61 × 64,147.94
  4. Step 4: Simplify right side
    221,918.12x = 21,353,541,249.50
  5. Step 5: Solve for x
    x = 21,353,541,249.50/221,918.12
  6. Step 6: Final answer
    x = 96,222.61

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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.