Home / 198,232.64-273,494.04-113,289.20

Finding the Fourth Proportional to 198,232.64, 273,494.04 and 113,289.20

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Solution

The fourth proportional to 198,232.64, 273,494.04 and 113,289.20 is: 156,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,232.64 : 273,494.04 = 113,289.20 : x
  2. Step 2: Convert to fraction form
    198,232.64/273,494.04 = 113,289.20/x
  3. Step 3: Cross multiply
    198,232.64x = 273,494.04 × 113,289.20
  4. Step 4: Simplify right side
    198,232.64x = 30,983,920,996.37
  5. Step 5: Solve for x
    x = 30,983,920,996.37/198,232.64
  6. Step 6: Final answer
    x = 156,300.80

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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.