Home / 198,525.28-273,981.68-109,119.84

Finding the Fourth Proportional to 198,525.28, 273,981.68 and 109,119.84

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Solution

The fourth proportional to 198,525.28, 273,981.68 and 109,119.84 is: 150,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,525.28 : 273,981.68 = 109,119.84 : x
  2. Step 2: Convert to fraction form
    198,525.28/273,981.68 = 109,119.84/x
  3. Step 3: Cross multiply
    198,525.28x = 273,981.68 × 109,119.84
  4. Step 4: Simplify right side
    198,525.28x = 29,896,837,084.53
  5. Step 5: Solve for x
    x = 29,896,837,084.53/198,525.28
  6. Step 6: Final answer
    x = 150,594.61

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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.