Home / 198,847.54-274,421.43-113,970.06

Finding the Fourth Proportional to 198,847.54, 274,421.43 and 113,970.06

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Solution

The fourth proportional to 198,847.54, 274,421.43 and 113,970.06 is: 157,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,847.54 : 274,421.43 = 113,970.06 : x
  2. Step 2: Convert to fraction form
    198,847.54/274,421.43 = 113,970.06/x
  3. Step 3: Cross multiply
    198,847.54x = 274,421.43 × 113,970.06
  4. Step 4: Simplify right side
    198,847.54x = 31,275,826,842.39
  5. Step 5: Solve for x
    x = 31,275,826,842.39/198,847.54
  6. Step 6: Final answer
    x = 157,285.46

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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.