Home / 198,492.28-273,888.50-117,917.73

Finding the Fourth Proportional to 198,492.28, 273,888.50 and 117,917.73

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Solution

The fourth proportional to 198,492.28, 273,888.50 and 117,917.73 is: 162,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,492.28 : 273,888.50 = 117,917.73 : x
  2. Step 2: Convert to fraction form
    198,492.28/273,888.50 = 117,917.73/x
  3. Step 3: Cross multiply
    198,492.28x = 273,888.50 × 117,917.73
  4. Step 4: Simplify right side
    198,492.28x = 32,296,309,603.52
  5. Step 5: Solve for x
    x = 32,296,309,603.52/198,492.28
  6. Step 6: Final answer
    x = 162,708.14

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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.