Home / 198,791.55-274,338.90-113,924.88

Finding the Fourth Proportional to 198,791.55, 274,338.90 and 113,924.88

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Solution

The fourth proportional to 198,791.55, 274,338.90 and 113,924.88 is: 157,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,791.55 : 274,338.90 = 113,924.88 : x
  2. Step 2: Convert to fraction form
    198,791.55/274,338.90 = 113,924.88/x
  3. Step 3: Cross multiply
    198,791.55x = 274,338.90 × 113,924.88
  4. Step 4: Simplify right side
    198,791.55x = 31,254,026,261.83
  5. Step 5: Solve for x
    x = 31,254,026,261.83/198,791.55
  6. Step 6: Final answer
    x = 157,220.09

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1.5x scale

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.