Home / 286,179.28-394,928.93-178,811.57

Finding the Fourth Proportional to 286,179.28, 394,928.93 and 178,811.57

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Solution

The fourth proportional to 286,179.28, 394,928.93 and 178,811.57 is: 246,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,179.28 : 394,928.93 = 178,811.57 : x
  2. Step 2: Convert to fraction form
    286,179.28/394,928.93 = 178,811.57/x
  3. Step 3: Cross multiply
    286,179.28x = 394,928.93 × 178,811.57
  4. Step 4: Simplify right side
    286,179.28x = 70,617,862,011.72
  5. Step 5: Solve for x
    x = 70,617,862,011.72/286,179.28
  6. Step 6: Final answer
    x = 246,760.92

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1.5x scale

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.