Home / 192,743.28-265,986.12-107,862.60

Finding the Fourth Proportional to 192,743.28, 265,986.12 and 107,862.60

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Solution

The fourth proportional to 192,743.28, 265,986.12 and 107,862.60 is: 148,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,743.28 : 265,986.12 = 107,862.60 : x
  2. Step 2: Convert to fraction form
    192,743.28/265,986.12 = 107,862.60/x
  3. Step 3: Cross multiply
    192,743.28x = 265,986.12 × 107,862.60
  4. Step 4: Simplify right side
    192,743.28x = 28,689,954,467.11
  5. Step 5: Solve for x
    x = 28,689,954,467.11/192,743.28
  6. Step 6: Final answer
    x = 148,850.61

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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.