Home / 143,605.48-198,028.64-95,190.54

Finding the Fourth Proportional to 143,605.48, 198,028.64 and 95,190.54

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Solution

The fourth proportional to 143,605.48, 198,028.64 and 95,190.54 is: 131,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,605.48 : 198,028.64 = 95,190.54 : x
  2. Step 2: Convert to fraction form
    143,605.48/198,028.64 = 95,190.54/x
  3. Step 3: Cross multiply
    143,605.48x = 198,028.64 × 95,190.54
  4. Step 4: Simplify right side
    143,605.48x = 18,850,453,117.04
  5. Step 5: Solve for x
    x = 18,850,453,117.04/143,605.48
  6. Step 6: Final answer
    x = 131,265.55

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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.