Home / 198,640.01-274,117.44-112,606.97

Finding the Fourth Proportional to 198,640.01, 274,117.44 and 112,606.97

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Solution

The fourth proportional to 198,640.01, 274,117.44 and 112,606.97 is: 155,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,640.01 : 274,117.44 = 112,606.97 : x
  2. Step 2: Convert to fraction form
    198,640.01/274,117.44 = 112,606.97/x
  3. Step 3: Cross multiply
    198,640.01x = 274,117.44 × 112,606.97
  4. Step 4: Simplify right side
    198,640.01x = 30,867,534,342.56
  5. Step 5: Solve for x
    x = 30,867,534,342.56/198,640.01
  6. Step 6: Final answer
    x = 155,394.35

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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.