Home / 198,368.53-273,796.20-113,534.80

Finding the Fourth Proportional to 198,368.53, 273,796.20 and 113,534.80

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Solution

The fourth proportional to 198,368.53, 273,796.20 and 113,534.80 is: 156,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,368.53 : 273,796.20 = 113,534.80 : x
  2. Step 2: Convert to fraction form
    198,368.53/273,796.20 = 113,534.80/x
  3. Step 3: Cross multiply
    198,368.53x = 273,796.20 × 113,534.80
  4. Step 4: Simplify right side
    198,368.53x = 31,085,396,123.27
  5. Step 5: Solve for x
    x = 31,085,396,123.27/198,368.53
  6. Step 6: Final answer
    x = 156,705.28

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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.