Home / 248,131.28-372,196.92-61,142.80

Finding the Fourth Proportional to 248,131.28, 372,196.92 and 61,142.80

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Solution

The fourth proportional to 248,131.28, 372,196.92 and 61,142.80 is: 91,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,131.28 : 372,196.92 = 61,142.80 : x
  2. Step 2: Convert to fraction form
    248,131.28/372,196.92 = 61,142.80/x
  3. Step 3: Cross multiply
    248,131.28x = 372,196.92 × 61,142.80
  4. Step 4: Simplify right side
    248,131.28x = 22,757,161,840.18
  5. Step 5: Solve for x
    x = 22,757,161,840.18/248,131.28
  6. Step 6: Final answer
    x = 91,714.20

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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.