Home / 198,234.64-273,496.80-113,291.20

Finding the Fourth Proportional to 198,234.64, 273,496.80 and 113,291.20

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Solution

The fourth proportional to 198,234.64, 273,496.80 and 113,291.20 is: 156,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,234.64 : 273,496.80 = 113,291.20 : x
  2. Step 2: Convert to fraction form
    198,234.64/273,496.80 = 113,291.20/x
  3. Step 3: Cross multiply
    198,234.64x = 273,496.80 × 113,291.20
  4. Step 4: Simplify right side
    198,234.64x = 30,984,780,668.16
  5. Step 5: Solve for x
    x = 30,984,780,668.16/198,234.64
  6. Step 6: Final answer
    x = 156,303.56

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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.