Home / 198,000.91-273,244.80-107,359.93

Finding the Fourth Proportional to 198,000.91, 273,244.80 and 107,359.93

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Solution

The fourth proportional to 198,000.91, 273,244.80 and 107,359.93 is: 148,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.91 : 273,244.80 = 107,359.93 : x
  2. Step 2: Convert to fraction form
    198,000.91/273,244.80 = 107,359.93/x
  3. Step 3: Cross multiply
    198,000.91x = 273,244.80 × 107,359.93
  4. Step 4: Simplify right side
    198,000.91x = 29,335,542,600.86
  5. Step 5: Solve for x
    x = 29,335,542,600.86/198,000.91
  6. Step 6: Final answer
    x = 148,158.63

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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.