Home / 193,434.54-266,944.92-108,556.80

Finding the Fourth Proportional to 193,434.54, 266,944.92 and 108,556.80

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Solution

The fourth proportional to 193,434.54, 266,944.92 and 108,556.80 is: 149,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,434.54 : 266,944.92 = 108,556.80 : x
  2. Step 2: Convert to fraction form
    193,434.54/266,944.92 = 108,556.80/x
  3. Step 3: Cross multiply
    193,434.54x = 266,944.92 × 108,556.80
  4. Step 4: Simplify right side
    193,434.54x = 28,978,686,291.46
  5. Step 5: Solve for x
    x = 28,978,686,291.46/193,434.54
  6. Step 6: Final answer
    x = 149,811.33

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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.