Home / 286,052.72-394,739.01-171,336.23

Finding the Fourth Proportional to 286,052.72, 394,739.01 and 171,336.23

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Solution

The fourth proportional to 286,052.72, 394,739.01 and 171,336.23 is: 236,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,052.72 : 394,739.01 = 171,336.23 : x
  2. Step 2: Convert to fraction form
    286,052.72/394,739.01 = 171,336.23/x
  3. Step 3: Cross multiply
    286,052.72x = 394,739.01 × 171,336.23
  4. Step 4: Simplify right side
    286,052.72x = 67,633,091,833.64
  5. Step 5: Solve for x
    x = 67,633,091,833.64/286,052.72
  6. Step 6: Final answer
    x = 236,435.76

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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.