Home / 143,344.62-197,793.90-82,903.23

Finding the Fourth Proportional to 143,344.62, 197,793.90 and 82,903.23

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Solution

The fourth proportional to 143,344.62, 197,793.90 and 82,903.23 is: 114,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,344.62 : 197,793.90 = 82,903.23 : x
  2. Step 2: Convert to fraction form
    143,344.62/197,793.90 = 82,903.23/x
  3. Step 3: Cross multiply
    143,344.62x = 197,793.90 × 82,903.23
  4. Step 4: Simplify right side
    143,344.62x = 16,397,753,184.30
  5. Step 5: Solve for x
    x = 16,397,753,184.30/143,344.62
  6. Step 6: Final answer
    x = 114,393.92

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1.5x scale

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.