Home / 198,081.20-273,326.88-113,203.76

Finding the Fourth Proportional to 198,081.20, 273,326.88 and 113,203.76

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Solution

The fourth proportional to 198,081.20, 273,326.88 and 113,203.76 is: 156,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,081.20 : 273,326.88 = 113,203.76 : x
  2. Step 2: Convert to fraction form
    198,081.20/273,326.88 = 113,203.76/x
  3. Step 3: Cross multiply
    198,081.20x = 273,326.88 × 113,203.76
  4. Step 4: Simplify right side
    198,081.20x = 30,941,630,525.07
  5. Step 5: Solve for x
    x = 30,941,630,525.07/198,081.20
  6. Step 6: Final answer
    x = 156,206.80

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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.