Home / 198,271.28-273,606.30-107,623.77

Finding the Fourth Proportional to 198,271.28, 273,606.30 and 107,623.77

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Solution

The fourth proportional to 198,271.28, 273,606.30 and 107,623.77 is: 148,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,271.28 : 273,606.30 = 107,623.77 : x
  2. Step 2: Convert to fraction form
    198,271.28/273,606.30 = 107,623.77/x
  3. Step 3: Cross multiply
    198,271.28x = 273,606.30 × 107,623.77
  4. Step 4: Simplify right side
    198,271.28x = 29,446,541,501.75
  5. Step 5: Solve for x
    x = 29,446,541,501.75/198,271.28
  6. Step 6: Final answer
    x = 148,516.43

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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.