Home / 286,197.32-394,953.82-178,829.66

Finding the Fourth Proportional to 286,197.32, 394,953.82 and 178,829.66

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Solution

The fourth proportional to 286,197.32, 394,953.82 and 178,829.66 is: 246,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,197.32 : 394,953.82 = 178,829.66 : x
  2. Step 2: Convert to fraction form
    286,197.32/394,953.82 = 178,829.66/x
  3. Step 3: Cross multiply
    286,197.32x = 394,953.82 × 178,829.66
  4. Step 4: Simplify right side
    286,197.32x = 70,629,457,346.30
  5. Step 5: Solve for x
    x = 70,629,457,346.30/286,197.32
  6. Step 6: Final answer
    x = 246,785.88

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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.