Home / 198,218.35-273,543.33-107,575.12

Finding the Fourth Proportional to 198,218.35, 273,543.33 and 107,575.12

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Solution

The fourth proportional to 198,218.35, 273,543.33 and 107,575.12 is: 148,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,218.35 : 273,543.33 = 107,575.12 : x
  2. Step 2: Convert to fraction form
    198,218.35/273,543.33 = 107,575.12/x
  3. Step 3: Cross multiply
    198,218.35x = 273,543.33 × 107,575.12
  4. Step 4: Simplify right side
    198,218.35x = 29,426,456,549.95
  5. Step 5: Solve for x
    x = 29,426,456,549.95/198,218.35
  6. Step 6: Final answer
    x = 148,454.75

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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.