Home / 193,682.09-267,281.02-107,638.37

Finding the Fourth Proportional to 193,682.09, 267,281.02 and 107,638.37

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Solution

The fourth proportional to 193,682.09, 267,281.02 and 107,638.37 is: 148,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,682.09 : 267,281.02 = 107,638.37 : x
  2. Step 2: Convert to fraction form
    193,682.09/267,281.02 = 107,638.37/x
  3. Step 3: Cross multiply
    193,682.09x = 267,281.02 × 107,638.37
  4. Step 4: Simplify right side
    193,682.09x = 28,769,692,519.72
  5. Step 5: Solve for x
    x = 28,769,692,519.72/193,682.09
  6. Step 6: Final answer
    x = 148,540.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.