Home / 248,201.24-372,172.92-121,786.16

Finding the Fourth Proportional to 248,201.24, 372,172.92 and 121,786.16

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Solution

The fourth proportional to 248,201.24, 372,172.92 and 121,786.16 is: 182,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,201.24 : 372,172.92 = 121,786.16 : x
  2. Step 2: Convert to fraction form
    248,201.24/372,172.92 = 121,786.16/x
  3. Step 3: Cross multiply
    248,201.24x = 372,172.92 × 121,786.16
  4. Step 4: Simplify right side
    248,201.24x = 45,325,510,782.79
  5. Step 5: Solve for x
    x = 45,325,510,782.79/248,201.24
  6. Step 6: Final answer
    x = 182,615.97

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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.