Home / 198,102.47-273,339.36-117,556.20

Finding the Fourth Proportional to 198,102.47, 273,339.36 and 117,556.20

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Solution

The fourth proportional to 198,102.47, 273,339.36 and 117,556.20 is: 162,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,102.47 : 273,339.36 = 117,556.20 : x
  2. Step 2: Convert to fraction form
    198,102.47/273,339.36 = 117,556.20/x
  3. Step 3: Cross multiply
    198,102.47x = 273,339.36 × 117,556.20
  4. Step 4: Simplify right side
    198,102.47x = 32,132,736,472.03
  5. Step 5: Solve for x
    x = 32,132,736,472.03/198,102.47
  6. Step 6: Final answer
    x = 162,202.61

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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.