Home / 198,030.56-273,299.46-108,623.84

Finding the Fourth Proportional to 198,030.56, 273,299.46 and 108,623.84

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Solution

The fourth proportional to 198,030.56, 273,299.46 and 108,623.84 is: 149,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,030.56 : 273,299.46 = 108,623.84 : x
  2. Step 2: Convert to fraction form
    198,030.56/273,299.46 = 108,623.84/x
  3. Step 3: Cross multiply
    198,030.56x = 273,299.46 × 108,623.84
  4. Step 4: Simplify right side
    198,030.56x = 29,686,837,498.38
  5. Step 5: Solve for x
    x = 29,686,837,498.38/198,030.56
  6. Step 6: Final answer
    x = 149,910.38

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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.