Home / 222,431.45-333,644.56-89,309.36

Finding the Fourth Proportional to 222,431.45, 333,644.56 and 89,309.36

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Solution

The fourth proportional to 222,431.45, 333,644.56 and 89,309.36 is: 133,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,431.45 : 333,644.56 = 89,309.36 : x
  2. Step 2: Convert to fraction form
    222,431.45/333,644.56 = 89,309.36/x
  3. Step 3: Cross multiply
    222,431.45x = 333,644.56 × 89,309.36
  4. Step 4: Simplify right side
    222,431.45x = 29,797,582,731.92
  5. Step 5: Solve for x
    x = 29,797,582,731.92/222,431.45
  6. Step 6: Final answer
    x = 133,963.00

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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.