Home / 198,222.38-273,548.91-107,579.12

Finding the Fourth Proportional to 198,222.38, 273,548.91 and 107,579.12

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Solution

The fourth proportional to 198,222.38, 273,548.91 and 107,579.12 is: 148,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,222.38 : 273,548.91 = 107,579.12 : x
  2. Step 2: Convert to fraction form
    198,222.38/273,548.91 = 107,579.12/x
  3. Step 3: Cross multiply
    198,222.38x = 273,548.91 × 107,579.12
  4. Step 4: Simplify right side
    198,222.38x = 29,428,149,647.01
  5. Step 5: Solve for x
    x = 29,428,149,647.01/198,222.38
  6. Step 6: Final answer
    x = 148,460.28

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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.