Home / 198,327.45-273,690.33-107,681.60

Finding the Fourth Proportional to 198,327.45, 273,690.33 and 107,681.60

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Solution

The fourth proportional to 198,327.45, 273,690.33 and 107,681.60 is: 148,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,327.45 : 273,690.33 = 107,681.60 : x
  2. Step 2: Convert to fraction form
    198,327.45/273,690.33 = 107,681.60/x
  3. Step 3: Cross multiply
    198,327.45x = 273,690.33 × 107,681.60
  4. Step 4: Simplify right side
    198,327.45x = 29,471,412,919.35
  5. Step 5: Solve for x
    x = 29,471,412,919.35/198,327.45
  6. Step 6: Final answer
    x = 148,599.76

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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.