Home / 198,144.09-273,434.13-109,736.84

Finding the Fourth Proportional to 198,144.09, 273,434.13 and 109,736.84

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Solution

The fourth proportional to 198,144.09, 273,434.13 and 109,736.84 is: 151,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,144.09 : 273,434.13 = 109,736.84 : x
  2. Step 2: Convert to fraction form
    198,144.09/273,434.13 = 109,736.84/x
  3. Step 3: Cross multiply
    198,144.09x = 273,434.13 × 109,736.84
  4. Step 4: Simplify right side
    198,144.09x = 30,005,798,057.93
  5. Step 5: Solve for x
    x = 30,005,798,057.93/198,144.09
  6. Step 6: Final answer
    x = 151,434.23

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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.