Home / 198,025.84-273,187.08-117,456.76

Finding the Fourth Proportional to 198,025.84, 273,187.08 and 117,456.76

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Solution

The fourth proportional to 198,025.84, 273,187.08 and 117,456.76 is: 162,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,025.84 : 273,187.08 = 117,456.76 : x
  2. Step 2: Convert to fraction form
    198,025.84/273,187.08 = 117,456.76/x
  3. Step 3: Cross multiply
    198,025.84x = 273,187.08 × 117,456.76
  4. Step 4: Simplify right side
    198,025.84x = 32,087,669,290.66
  5. Step 5: Solve for x
    x = 32,087,669,290.66/198,025.84
  6. Step 6: Final answer
    x = 162,037.79

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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.