Home / 198,067.60-273,439.52-152,978.96

Finding the Fourth Proportional to 198,067.60, 273,439.52 and 152,978.96

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Solution

The fourth proportional to 198,067.60, 273,439.52 and 152,978.96 is: 211,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,067.60 : 273,439.52 = 152,978.96 : x
  2. Step 2: Convert to fraction form
    198,067.60/273,439.52 = 152,978.96/x
  3. Step 3: Cross multiply
    198,067.60x = 273,439.52 × 152,978.96
  4. Step 4: Simplify right side
    198,067.60x = 41,830,493,392.50
  5. Step 5: Solve for x
    x = 41,830,493,392.50/198,067.60
  6. Step 6: Final answer
    x = 211,193.01

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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.