Home / 269,739.27-372,213.68-148,872.77

Finding the Fourth Proportional to 269,739.27, 372,213.68 and 148,872.77

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Solution

The fourth proportional to 269,739.27, 372,213.68 and 148,872.77 is: 205,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,739.27 : 372,213.68 = 148,872.77 : x
  2. Step 2: Convert to fraction form
    269,739.27/372,213.68 = 148,872.77/x
  3. Step 3: Cross multiply
    269,739.27x = 372,213.68 × 148,872.77
  4. Step 4: Simplify right side
    269,739.27x = 55,412,478,968.06
  5. Step 5: Solve for x
    x = 55,412,478,968.06/269,739.27
  6. Step 6: Final answer
    x = 205,429.78

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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.