Home / 286,103.41-394,804.33-178,667.04

Finding the Fourth Proportional to 286,103.41, 394,804.33 and 178,667.04

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Solution

The fourth proportional to 286,103.41, 394,804.33 and 178,667.04 is: 246,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,103.41 : 394,804.33 = 178,667.04 : x
  2. Step 2: Convert to fraction form
    286,103.41/394,804.33 = 178,667.04/x
  3. Step 3: Cross multiply
    286,103.41x = 394,804.33 × 178,667.04
  4. Step 4: Simplify right side
    286,103.41x = 70,538,521,020.28
  5. Step 5: Solve for x
    x = 70,538,521,020.28/286,103.41
  6. Step 6: Final answer
    x = 246,549.04

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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.