Home / 248,193.48-372,216.26-90,385.03

Finding the Fourth Proportional to 248,193.48, 372,216.26 and 90,385.03

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Solution

The fourth proportional to 248,193.48, 372,216.26 and 90,385.03 is: 135,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,193.48 : 372,216.26 = 90,385.03 : x
  2. Step 2: Convert to fraction form
    248,193.48/372,216.26 = 90,385.03/x
  3. Step 3: Cross multiply
    248,193.48x = 372,216.26 × 90,385.03
  4. Step 4: Simplify right side
    248,193.48x = 33,642,778,517.82
  5. Step 5: Solve for x
    x = 33,642,778,517.82/248,193.48
  6. Step 6: Final answer
    x = 135,550.61

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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.