Home / 198,419.04-273,775.68-117,873.72

Finding the Fourth Proportional to 198,419.04, 273,775.68 and 117,873.72

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Solution

The fourth proportional to 198,419.04, 273,775.68 and 117,873.72 is: 162,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,419.04 : 273,775.68 = 117,873.72 : x
  2. Step 2: Convert to fraction form
    198,419.04/273,775.68 = 117,873.72/x
  3. Step 3: Cross multiply
    198,419.04x = 273,775.68 × 117,873.72
  4. Step 4: Simplify right side
    198,419.04x = 32,270,957,847.13
  5. Step 5: Solve for x
    x = 32,270,957,847.13/198,419.04
  6. Step 6: Final answer
    x = 162,640.43

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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.