Home / 198,258.46-273,613.02-113,391.88

Finding the Fourth Proportional to 198,258.46, 273,613.02 and 113,391.88

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Solution

The fourth proportional to 198,258.46, 273,613.02 and 113,391.88 is: 156,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,258.46 : 273,613.02 = 113,391.88 : x
  2. Step 2: Convert to fraction form
    198,258.46/273,613.02 = 113,391.88/x
  3. Step 3: Cross multiply
    198,258.46x = 273,613.02 × 113,391.88
  4. Step 4: Simplify right side
    198,258.46x = 31,025,494,730.28
  5. Step 5: Solve for x
    x = 31,025,494,730.28/198,258.46
  6. Step 6: Final answer
    x = 156,490.14

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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.