Home / 198,064.82-273,364.38-117,536.75

Finding the Fourth Proportional to 198,064.82, 273,364.38 and 117,536.75

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Solution

The fourth proportional to 198,064.82, 273,364.38 and 117,536.75 is: 162,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,064.82 : 273,364.38 = 117,536.75 : x
  2. Step 2: Convert to fraction form
    198,064.82/273,364.38 = 117,536.75/x
  3. Step 3: Cross multiply
    198,064.82x = 273,364.38 × 117,536.75
  4. Step 4: Simplify right side
    198,064.82x = 32,130,360,790.97
  5. Step 5: Solve for x
    x = 32,130,360,790.97/198,064.82
  6. Step 6: Final answer
    x = 162,221.44

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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.