Home / 118,831.11-178,286.37-38,872.73

Finding the Fourth Proportional to 118,831.11, 178,286.37 and 38,872.73

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Solution

The fourth proportional to 118,831.11, 178,286.37 and 38,872.73 is: 58,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,831.11 : 178,286.37 = 38,872.73 : x
  2. Step 2: Convert to fraction form
    118,831.11/178,286.37 = 38,872.73/x
  3. Step 3: Cross multiply
    118,831.11x = 178,286.37 × 38,872.73
  4. Step 4: Simplify right side
    118,831.11x = 6,930,477,032.26
  5. Step 5: Solve for x
    x = 6,930,477,032.26/118,831.11
  6. Step 6: Final answer
    x = 58,322.08

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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.