Home / 143,194.87-197,586.98-82,753.85

Finding the Fourth Proportional to 143,194.87, 197,586.98 and 82,753.85

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Solution

The fourth proportional to 143,194.87, 197,586.98 and 82,753.85 is: 114,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194.87 : 197,586.98 = 82,753.85 : x
  2. Step 2: Convert to fraction form
    143,194.87/197,586.98 = 82,753.85/x
  3. Step 3: Cross multiply
    143,194.87x = 197,586.98 × 82,753.85
  4. Step 4: Simplify right side
    143,194.87x = 16,351,083,695.40
  5. Step 5: Solve for x
    x = 16,351,083,695.40/143,194.87
  6. Step 6: Final answer
    x = 114,187.64

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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.