Home / 198,636.40-273,849.92-134,863.48

Finding the Fourth Proportional to 198,636.40, 273,849.92 and 134,863.48

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Solution

The fourth proportional to 198,636.40, 273,849.92 and 134,863.48 is: 185,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,636.40 : 273,849.92 = 134,863.48 : x
  2. Step 2: Convert to fraction form
    198,636.40/273,849.92 = 134,863.48/x
  3. Step 3: Cross multiply
    198,636.40x = 273,849.92 × 134,863.48
  4. Step 4: Simplify right side
    198,636.40x = 36,932,353,208.92
  5. Step 5: Solve for x
    x = 36,932,353,208.92/198,636.40
  6. Step 6: Final answer
    x = 185,929.43

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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.