Home / 221,731.20-332,564.40-63,943.20

Finding the Fourth Proportional to 221,731.20, 332,564.40 and 63,943.20

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Solution

The fourth proportional to 221,731.20, 332,564.40 and 63,943.20 is: 95,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,731.20 : 332,564.40 = 63,943.20 : x
  2. Step 2: Convert to fraction form
    221,731.20/332,564.40 = 63,943.20/x
  3. Step 3: Cross multiply
    221,731.20x = 332,564.40 × 63,943.20
  4. Step 4: Simplify right side
    221,731.20x = 21,265,231,942.08
  5. Step 5: Solve for x
    x = 21,265,231,942.08/221,731.20
  6. Step 6: Final answer
    x = 95,905.46

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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.