Home / 198,209.64-273,530.04-107,565.60

Finding the Fourth Proportional to 198,209.64, 273,530.04 and 107,565.60

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Solution

The fourth proportional to 198,209.64, 273,530.04 and 107,565.60 is: 148,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,209.64 : 273,530.04 = 107,565.60 : x
  2. Step 2: Convert to fraction form
    198,209.64/273,530.04 = 107,565.60/x
  3. Step 3: Cross multiply
    198,209.64x = 273,530.04 × 107,565.60
  4. Step 4: Simplify right side
    198,209.64x = 29,422,422,870.62
  5. Step 5: Solve for x
    x = 29,422,422,870.62/198,209.64
  6. Step 6: Final answer
    x = 148,440.93

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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.