Home / 198,484.16-273,839.22-126,906.08

Finding the Fourth Proportional to 198,484.16, 273,839.22 and 126,906.08

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Solution

The fourth proportional to 198,484.16, 273,839.22 and 126,906.08 is: 175,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,484.16 : 273,839.22 = 126,906.08 : x
  2. Step 2: Convert to fraction form
    198,484.16/273,839.22 = 126,906.08/x
  3. Step 3: Cross multiply
    198,484.16x = 273,839.22 × 126,906.08
  4. Step 4: Simplify right side
    198,484.16x = 34,751,861,960.46
  5. Step 5: Solve for x
    x = 34,751,861,960.46/198,484.16
  6. Step 6: Final answer
    x = 175,086.32

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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.