Home / 221,831.40-332,757.90-108,083.64

Finding the Fourth Proportional to 221,831.40, 332,757.90 and 108,083.64

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Solution

The fourth proportional to 221,831.40, 332,757.90 and 108,083.64 is: 162,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,831.40 : 332,757.90 = 108,083.64 : x
  2. Step 2: Convert to fraction form
    221,831.40/332,757.90 = 108,083.64/x
  3. Step 3: Cross multiply
    221,831.40x = 332,757.90 × 108,083.64
  4. Step 4: Simplify right side
    221,831.40x = 35,965,685,070.76
  5. Step 5: Solve for x
    x = 35,965,685,070.76/221,831.40
  6. Step 6: Final answer
    x = 162,130.72

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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.