Home / 198,189.96-273,500.75-107,543.62

Finding the Fourth Proportional to 198,189.96, 273,500.75 and 107,543.62

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Solution

The fourth proportional to 198,189.96, 273,500.75 and 107,543.62 is: 148,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,189.96 : 273,500.75 = 107,543.62 : x
  2. Step 2: Convert to fraction form
    198,189.96/273,500.75 = 107,543.62/x
  3. Step 3: Cross multiply
    198,189.96x = 273,500.75 × 107,543.62
  4. Step 4: Simplify right side
    198,189.96x = 29,413,259,800.01
  5. Step 5: Solve for x
    x = 29,413,259,800.01/198,189.96
  6. Step 6: Final answer
    x = 148,409.44

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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.