Home / 198,938.50-274,535.13-114,083.62

Finding the Fourth Proportional to 198,938.50, 274,535.13 and 114,083.62

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Solution

The fourth proportional to 198,938.50, 274,535.13 and 114,083.62 is: 157,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,938.50 : 274,535.13 = 114,083.62 : x
  2. Step 2: Convert to fraction form
    198,938.50/274,535.13 = 114,083.62/x
  3. Step 3: Cross multiply
    198,938.50x = 274,535.13 × 114,083.62
  4. Step 4: Simplify right side
    198,938.50x = 31,319,961,447.57
  5. Step 5: Solve for x
    x = 31,319,961,447.57/198,938.50
  6. Step 6: Final answer
    x = 157,435.40

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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.