Home / 117,161.66-161,683.18-63,446.73

Finding the Fourth Proportional to 117,161.66, 161,683.18 and 63,446.73

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Solution

The fourth proportional to 117,161.66, 161,683.18 and 63,446.73 is: 87,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161.66 : 161,683.18 = 63,446.73 : x
  2. Step 2: Convert to fraction form
    117,161.66/161,683.18 = 63,446.73/x
  3. Step 3: Cross multiply
    117,161.66x = 161,683.18 × 63,446.73
  4. Step 4: Simplify right side
    117,161.66x = 10,258,269,067.00
  5. Step 5: Solve for x
    x = 10,258,269,067.00/117,161.66
  6. Step 6: Final answer
    x = 87,556.54

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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.