Home / 286,100.13-394,777.86-171,351.90

Finding the Fourth Proportional to 286,100.13, 394,777.86 and 171,351.90

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Solution

The fourth proportional to 286,100.13, 394,777.86 and 171,351.90 is: 236,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,100.13 : 394,777.86 = 171,351.90 : x
  2. Step 2: Convert to fraction form
    286,100.13/394,777.86 = 171,351.90/x
  3. Step 3: Cross multiply
    286,100.13x = 394,777.86 × 171,351.90
  4. Step 4: Simplify right side
    286,100.13x = 67,645,936,388.93
  5. Step 5: Solve for x
    x = 67,645,936,388.93/286,100.13
  6. Step 6: Final answer
    x = 236,441.47

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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.