Home / 198,067.55-273,290.46-117,521.72

Finding the Fourth Proportional to 198,067.55, 273,290.46 and 117,521.72

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Solution

The fourth proportional to 198,067.55, 273,290.46 and 117,521.72 is: 162,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,067.55 : 273,290.46 = 117,521.72 : x
  2. Step 2: Convert to fraction form
    198,067.55/273,290.46 = 117,521.72/x
  3. Step 3: Cross multiply
    198,067.55x = 273,290.46 × 117,521.72
  4. Step 4: Simplify right side
    198,067.55x = 32,117,564,136.47
  5. Step 5: Solve for x
    x = 32,117,564,136.47/198,067.55
  6. Step 6: Final answer
    x = 162,154.60

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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.