Home / 198,565.44-274,380.66-144,756.60

Finding the Fourth Proportional to 198,565.44, 274,380.66 and 144,756.60

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Solution

The fourth proportional to 198,565.44, 274,380.66 and 144,756.60 is: 200,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,565.44 : 274,380.66 = 144,756.60 : x
  2. Step 2: Convert to fraction form
    198,565.44/274,380.66 = 144,756.60/x
  3. Step 3: Cross multiply
    198,565.44x = 274,380.66 × 144,756.60
  4. Step 4: Simplify right side
    198,565.44x = 39,718,411,447.36
  5. Step 5: Solve for x
    x = 39,718,411,447.36/198,565.44
  6. Step 6: Final answer
    x = 200,026.81

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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.