Home / 286,178.99-394,928.46-178,811.24

Finding the Fourth Proportional to 286,178.99, 394,928.46 and 178,811.24

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Solution

The fourth proportional to 286,178.99, 394,928.46 and 178,811.24 is: 246,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,178.99 : 394,928.46 = 178,811.24 : x
  2. Step 2: Convert to fraction form
    286,178.99/394,928.46 = 178,811.24/x
  3. Step 3: Cross multiply
    286,178.99x = 394,928.46 × 178,811.24
  4. Step 4: Simplify right side
    286,178.99x = 70,617,645,669.25
  5. Step 5: Solve for x
    x = 70,617,645,669.25/286,178.99
  6. Step 6: Final answer
    x = 246,760.42

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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.