Home / 443,427.06-665,057.58-143,910.24

Finding the Fourth Proportional to 443,427.06, 665,057.58 and 143,910.24

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Solution

The fourth proportional to 443,427.06, 665,057.58 and 143,910.24 is: 215,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,427.06 : 665,057.58 = 143,910.24 : x
  2. Step 2: Convert to fraction form
    443,427.06/665,057.58 = 143,910.24/x
  3. Step 3: Cross multiply
    443,427.06x = 665,057.58 × 143,910.24
  4. Step 4: Simplify right side
    443,427.06x = 95,708,595,951.62
  5. Step 5: Solve for x
    x = 95,708,595,951.62/443,427.06
  6. Step 6: Final answer
    x = 215,838.42

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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.