Home / 286,171.11-394,917.62-178,803.41

Finding the Fourth Proportional to 286,171.11, 394,917.62 and 178,803.41

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Solution

The fourth proportional to 286,171.11, 394,917.62 and 178,803.41 is: 246,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,171.11 : 394,917.62 = 178,803.41 : x
  2. Step 2: Convert to fraction form
    286,171.11/394,917.62 = 178,803.41/x
  3. Step 3: Cross multiply
    286,171.11x = 394,917.62 × 178,803.41
  4. Step 4: Simplify right side
    286,171.11x = 70,612,614,256.48
  5. Step 5: Solve for x
    x = 70,612,614,256.48/286,171.11
  6. Step 6: Final answer
    x = 246,749.63

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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.