Home / 286,106.94-394,809.18-178,670.52

Finding the Fourth Proportional to 286,106.94, 394,809.18 and 178,670.52

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Solution

The fourth proportional to 286,106.94, 394,809.18 and 178,670.52 is: 246,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,106.94 : 394,809.18 = 178,670.52 : x
  2. Step 2: Convert to fraction form
    286,106.94/394,809.18 = 178,670.52/x
  3. Step 3: Cross multiply
    286,106.94x = 394,809.18 × 178,670.52
  4. Step 4: Simplify right side
    286,106.94x = 70,540,761,491.37
  5. Step 5: Solve for x
    x = 70,540,761,491.37/286,106.94
  6. Step 6: Final answer
    x = 246,553.83

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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.