Home / 143,451.81-198,005.18-95,705.04

Finding the Fourth Proportional to 143,451.81, 198,005.18 and 95,705.04

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Solution

The fourth proportional to 143,451.81, 198,005.18 and 95,705.04 is: 132,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451.81 : 198,005.18 = 95,705.04 : x
  2. Step 2: Convert to fraction form
    143,451.81/198,005.18 = 95,705.04/x
  3. Step 3: Cross multiply
    143,451.81x = 198,005.18 × 95,705.04
  4. Step 4: Simplify right side
    143,451.81x = 18,950,093,672.11
  5. Step 5: Solve for x
    x = 18,950,093,672.11/143,451.81
  6. Step 6: Final answer
    x = 132,100.76

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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.