Home / 198,508.41-273,938.22-107,865.77

Finding the Fourth Proportional to 198,508.41, 273,938.22 and 107,865.77

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Solution

The fourth proportional to 198,508.41, 273,938.22 and 107,865.77 is: 148,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,508.41 : 273,938.22 = 107,865.77 : x
  2. Step 2: Convert to fraction form
    198,508.41/273,938.22 = 107,865.77/x
  3. Step 3: Cross multiply
    198,508.41x = 273,938.22 × 107,865.77
  4. Step 4: Simplify right side
    198,508.41x = 29,548,555,663.04
  5. Step 5: Solve for x
    x = 29,548,555,663.04/198,508.41
  6. Step 6: Final answer
    x = 148,852.92

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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.