Home / 222,742.20-333,821.70-197,664.60

Finding the Fourth Proportional to 222,742.20, 333,821.70 and 197,664.60

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Solution

The fourth proportional to 222,742.20, 333,821.70 and 197,664.60 is: 296,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,742.20 : 333,821.70 = 197,664.60 : x
  2. Step 2: Convert to fraction form
    222,742.20/333,821.70 = 197,664.60/x
  3. Step 3: Cross multiply
    222,742.20x = 333,821.70 × 197,664.60
  4. Step 4: Simplify right side
    222,742.20x = 65,984,732,801.82
  5. Step 5: Solve for x
    x = 65,984,732,801.82/222,742.20
  6. Step 6: Final answer
    x = 296,238.13

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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.