Home / 198,049.35-273,300.73-117,428.64

Finding the Fourth Proportional to 198,049.35, 273,300.73 and 117,428.64

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Solution

The fourth proportional to 198,049.35, 273,300.73 and 117,428.64 is: 162,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,049.35 : 273,300.73 = 117,428.64 : x
  2. Step 2: Convert to fraction form
    198,049.35/273,300.73 = 117,428.64/x
  3. Step 3: Cross multiply
    198,049.35x = 273,300.73 × 117,428.64
  4. Step 4: Simplify right side
    198,049.35x = 32,093,332,376.99
  5. Step 5: Solve for x
    x = 32,093,332,376.99/198,049.35
  6. Step 6: Final answer
    x = 162,047.15

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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.