Home / 248,539.28-372,864.27-90,767.48

Finding the Fourth Proportional to 248,539.28, 372,864.27 and 90,767.48

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Solution

The fourth proportional to 248,539.28, 372,864.27 and 90,767.48 is: 136,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,539.28 : 372,864.27 = 90,767.48 : x
  2. Step 2: Convert to fraction form
    248,539.28/372,864.27 = 90,767.48/x
  3. Step 3: Cross multiply
    248,539.28x = 372,864.27 × 90,767.48
  4. Step 4: Simplify right side
    248,539.28x = 33,843,950,169.94
  5. Step 5: Solve for x
    x = 33,843,950,169.94/248,539.28
  6. Step 6: Final answer
    x = 136,171.43

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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.