Home / 198,441.56-274,086.78-144,640.28

Finding the Fourth Proportional to 198,441.56, 274,086.78 and 144,640.28

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Solution

The fourth proportional to 198,441.56, 274,086.78 and 144,640.28 is: 199,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,441.56 : 274,086.78 = 144,640.28 : x
  2. Step 2: Convert to fraction form
    198,441.56/274,086.78 = 144,640.28/x
  3. Step 3: Cross multiply
    198,441.56x = 274,086.78 × 144,640.28
  4. Step 4: Simplify right side
    198,441.56x = 39,643,988,603.50
  5. Step 5: Solve for x
    x = 39,643,988,603.50/198,441.56
  6. Step 6: Final answer
    x = 199,776.64

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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.