Home / 198,564.59-274,019.28-113,682.26

Finding the Fourth Proportional to 198,564.59, 274,019.28 and 113,682.26

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Solution

The fourth proportional to 198,564.59, 274,019.28 and 113,682.26 is: 156,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,564.59 : 274,019.28 = 113,682.26 : x
  2. Step 2: Convert to fraction form
    198,564.59/274,019.28 = 113,682.26/x
  3. Step 3: Cross multiply
    198,564.59x = 274,019.28 × 113,682.26
  4. Step 4: Simplify right side
    198,564.59x = 31,151,131,033.97
  5. Step 5: Solve for x
    x = 31,151,131,033.97/198,564.59
  6. Step 6: Final answer
    x = 156,881.60

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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.