Home / 82,176.99-123,265.64-19,847.49

Finding the Fourth Proportional to 82,176.99, 123,265.64 and 19,847.49

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Solution

The fourth proportional to 82,176.99, 123,265.64 and 19,847.49 is: 29,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,176.99 : 123,265.64 = 19,847.49 : x
  2. Step 2: Convert to fraction form
    82,176.99/123,265.64 = 19,847.49/x
  3. Step 3: Cross multiply
    82,176.99x = 123,265.64 × 19,847.49
  4. Step 4: Simplify right side
    82,176.99x = 2,446,513,557.24
  5. Step 5: Solve for x
    x = 2,446,513,557.24/82,176.99
  6. Step 6: Final answer
    x = 29,771.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.