Home / 143,179.48-197,613.44-82,741.80

Finding the Fourth Proportional to 143,179.48, 197,613.44 and 82,741.80

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Solution

The fourth proportional to 143,179.48, 197,613.44 and 82,741.80 is: 114,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,179.48 : 197,613.44 = 82,741.80 : x
  2. Step 2: Convert to fraction form
    143,179.48/197,613.44 = 82,741.80/x
  3. Step 3: Cross multiply
    143,179.48x = 197,613.44 × 82,741.80
  4. Step 4: Simplify right side
    143,179.48x = 16,350,891,729.79
  5. Step 5: Solve for x
    x = 16,350,891,729.79/143,179.48
  6. Step 6: Final answer
    x = 114,198.57

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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.