Home / 198,518.34-273,998.52-122,103.12

Finding the Fourth Proportional to 198,518.34, 273,998.52 and 122,103.12

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Solution

The fourth proportional to 198,518.34, 273,998.52 and 122,103.12 is: 168,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,518.34 : 273,998.52 = 122,103.12 : x
  2. Step 2: Convert to fraction form
    198,518.34/273,998.52 = 122,103.12/x
  3. Step 3: Cross multiply
    198,518.34x = 273,998.52 × 122,103.12
  4. Step 4: Simplify right side
    198,518.34x = 33,456,074,167.38
  5. Step 5: Solve for x
    x = 33,456,074,167.38/198,518.34
  6. Step 6: Final answer
    x = 168,528.88

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1.5x scale

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.