Home / 198,010.92-273,144.78-117,360.84

Finding the Fourth Proportional to 198,010.92, 273,144.78 and 117,360.84

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Solution

The fourth proportional to 198,010.92, 273,144.78 and 117,360.84 is: 161,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,010.92 : 273,144.78 = 117,360.84 : x
  2. Step 2: Convert to fraction form
    198,010.92/273,144.78 = 117,360.84/x
  3. Step 3: Cross multiply
    198,010.92x = 273,144.78 × 117,360.84
  4. Step 4: Simplify right side
    198,010.92x = 32,056,500,822.42
  5. Step 5: Solve for x
    x = 32,056,500,822.42/198,010.92
  6. Step 6: Final answer
    x = 161,892.59

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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.