Home / 221,147.48-331,732.56-63,377.30

Finding the Fourth Proportional to 221,147.48, 331,732.56 and 63,377.30

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Solution

The fourth proportional to 221,147.48, 331,732.56 and 63,377.30 is: 95,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,147.48 : 331,732.56 = 63,377.30 : x
  2. Step 2: Convert to fraction form
    221,147.48/331,732.56 = 63,377.30/x
  3. Step 3: Cross multiply
    221,147.48x = 331,732.56 × 63,377.30
  4. Step 4: Simplify right side
    221,147.48x = 21,024,313,974.89
  5. Step 5: Solve for x
    x = 21,024,313,974.89/221,147.48
  6. Step 6: Final answer
    x = 95,069.20

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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.