Home / 198,518.86-273,956.22-107,875.84

Finding the Fourth Proportional to 198,518.86, 273,956.22 and 107,875.84

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Solution

The fourth proportional to 198,518.86, 273,956.22 and 107,875.84 is: 148,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,518.86 : 273,956.22 = 107,875.84 : x
  2. Step 2: Convert to fraction form
    198,518.86/273,956.22 = 107,875.84/x
  3. Step 3: Cross multiply
    198,518.86x = 273,956.22 × 107,875.84
  4. Step 4: Simplify right side
    198,518.86x = 29,553,257,355.72
  5. Step 5: Solve for x
    x = 29,553,257,355.72/198,518.86
  6. Step 6: Final answer
    x = 148,868.76

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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.