Home / 198,853.88-274,410.06-109,424.12

Finding the Fourth Proportional to 198,853.88, 274,410.06 and 109,424.12

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Solution

The fourth proportional to 198,853.88, 274,410.06 and 109,424.12 is: 151,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,853.88 : 274,410.06 = 109,424.12 : x
  2. Step 2: Convert to fraction form
    198,853.88/274,410.06 = 109,424.12/x
  3. Step 3: Cross multiply
    198,853.88x = 274,410.06 × 109,424.12
  4. Step 4: Simplify right side
    198,853.88x = 30,027,079,334.65
  5. Step 5: Solve for x
    x = 30,027,079,334.65/198,853.88
  6. Step 6: Final answer
    x = 151,000.72

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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.