Home / 286,167.96-394,831.56-178,847.04

Finding the Fourth Proportional to 286,167.96, 394,831.56 and 178,847.04

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Solution

The fourth proportional to 286,167.96, 394,831.56 and 178,847.04 is: 246,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,167.96 : 394,831.56 = 178,847.04 : x
  2. Step 2: Convert to fraction form
    286,167.96/394,831.56 = 178,847.04/x
  3. Step 3: Cross multiply
    286,167.96x = 394,831.56 × 178,847.04
  4. Step 4: Simplify right side
    286,167.96x = 70,614,455,804.58
  5. Step 5: Solve for x
    x = 70,614,455,804.58/286,167.96
  6. Step 6: Final answer
    x = 246,758.78

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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.