Home / 248,385.03-372,632.91-90,613.49

Finding the Fourth Proportional to 248,385.03, 372,632.91 and 90,613.49

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Solution

The fourth proportional to 248,385.03, 372,632.91 and 90,613.49 is: 135,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385.03 : 372,632.91 = 90,613.49 : x
  2. Step 2: Convert to fraction form
    248,385.03/372,632.91 = 90,613.49/x
  3. Step 3: Cross multiply
    248,385.03x = 372,632.91 × 90,613.49
  4. Step 4: Simplify right side
    248,385.03x = 33,765,566,260.99
  5. Step 5: Solve for x
    x = 33,765,566,260.99/248,385.03
  6. Step 6: Final answer
    x = 135,940.42

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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.