Home / 286,037.73-394,568.01-178,420.86

Finding the Fourth Proportional to 286,037.73, 394,568.01 and 178,420.86

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Solution

The fourth proportional to 286,037.73, 394,568.01 and 178,420.86 is: 246,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,037.73 : 394,568.01 = 178,420.86 : x
  2. Step 2: Convert to fraction form
    286,037.73/394,568.01 = 178,420.86/x
  3. Step 3: Cross multiply
    286,037.73x = 394,568.01 × 178,420.86
  4. Step 4: Simplify right side
    286,037.73x = 70,399,163,672.69
  5. Step 5: Solve for x
    x = 70,399,163,672.69/286,037.73
  6. Step 6: Final answer
    x = 246,118.45

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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.