Home / 143,436.68-197,984.30-95,689.90

Finding the Fourth Proportional to 143,436.68, 197,984.30 and 95,689.90

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Solution

The fourth proportional to 143,436.68, 197,984.30 and 95,689.90 is: 132,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,436.68 : 197,984.30 = 95,689.90 : x
  2. Step 2: Convert to fraction form
    143,436.68/197,984.30 = 95,689.90/x
  3. Step 3: Cross multiply
    143,436.68x = 197,984.30 × 95,689.90
  4. Step 4: Simplify right side
    143,436.68x = 18,945,097,868.57
  5. Step 5: Solve for x
    x = 18,945,097,868.57/143,436.68
  6. Step 6: Final answer
    x = 132,079.87

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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.