Home / 143,990.44-198,572.82-95,507.08

Finding the Fourth Proportional to 143,990.44, 198,572.82 and 95,507.08

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Solution

The fourth proportional to 143,990.44, 198,572.82 and 95,507.08 is: 131,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,990.44 : 198,572.82 = 95,507.08 : x
  2. Step 2: Convert to fraction form
    143,990.44/198,572.82 = 95,507.08/x
  3. Step 3: Cross multiply
    143,990.44x = 198,572.82 × 95,507.08
  4. Step 4: Simplify right side
    143,990.44x = 18,965,110,205.57
  5. Step 5: Solve for x
    x = 18,965,110,205.57/143,990.44
  6. Step 6: Final answer
    x = 131,710.90

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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.