Home / 198,191.88-273,503.40-107,545.55

Finding the Fourth Proportional to 198,191.88, 273,503.40 and 107,545.55

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Solution

The fourth proportional to 198,191.88, 273,503.40 and 107,545.55 is: 148,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,191.88 : 273,503.40 = 107,545.55 : x
  2. Step 2: Convert to fraction form
    198,191.88/273,503.40 = 107,545.55/x
  3. Step 3: Cross multiply
    198,191.88x = 273,503.40 × 107,545.55
  4. Step 4: Simplify right side
    198,191.88x = 29,414,072,212.35
  5. Step 5: Solve for x
    x = 29,414,072,212.35/198,191.88
  6. Step 6: Final answer
    x = 148,412.10

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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.