Home / 143,195.87-197,588.36-82,754.85

Finding the Fourth Proportional to 143,195.87, 197,588.36 and 82,754.85

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Solution

The fourth proportional to 143,195.87, 197,588.36 and 82,754.85 is: 114,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,195.87 : 197,588.36 = 82,754.85 : x
  2. Step 2: Convert to fraction form
    143,195.87/197,588.36 = 82,754.85/x
  3. Step 3: Cross multiply
    143,195.87x = 197,588.36 × 82,754.85
  4. Step 4: Simplify right side
    143,195.87x = 16,351,395,093.55
  5. Step 5: Solve for x
    x = 16,351,395,093.55/143,195.87
  6. Step 6: Final answer
    x = 114,189.01

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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.