Home / 198,814.22-274,371.21-113,947.70

Finding the Fourth Proportional to 198,814.22, 274,371.21 and 113,947.70

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Solution

The fourth proportional to 198,814.22, 274,371.21 and 113,947.70 is: 157,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,814.22 : 274,371.21 = 113,947.70 : x
  2. Step 2: Convert to fraction form
    198,814.22/274,371.21 = 113,947.70/x
  3. Step 3: Cross multiply
    198,814.22x = 274,371.21 × 113,947.70
  4. Step 4: Simplify right side
    198,814.22x = 31,263,968,325.72
  5. Step 5: Solve for x
    x = 31,263,968,325.72/198,814.22
  6. Step 6: Final answer
    x = 157,252.17

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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.