Home / 221,321.46-332,052.66-93,305.43

Finding the Fourth Proportional to 221,321.46, 332,052.66 and 93,305.43

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Solution

The fourth proportional to 221,321.46, 332,052.66 and 93,305.43 is: 139,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,321.46 : 332,052.66 = 93,305.43 : x
  2. Step 2: Convert to fraction form
    221,321.46/332,052.66 = 93,305.43/x
  3. Step 3: Cross multiply
    221,321.46x = 332,052.66 × 93,305.43
  4. Step 4: Simplify right side
    221,321.46x = 30,982,316,223.94
  5. Step 5: Solve for x
    x = 30,982,316,223.94/221,321.46
  6. Step 6: Final answer
    x = 139,987.85

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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.