Home / 263,262.28-394,644.30-162,122.48

Finding the Fourth Proportional to 263,262.28, 394,644.30 and 162,122.48

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Solution

The fourth proportional to 263,262.28, 394,644.30 and 162,122.48 is: 243,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,262.28 : 394,644.30 = 162,122.48 : x
  2. Step 2: Convert to fraction form
    263,262.28/394,644.30 = 162,122.48/x
  3. Step 3: Cross multiply
    263,262.28x = 394,644.30 × 162,122.48
  4. Step 4: Simplify right side
    263,262.28x = 63,980,712,633.86
  5. Step 5: Solve for x
    x = 63,980,712,633.86/263,262.28
  6. Step 6: Final answer
    x = 243,030.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.