Home / 224,579.52-309,896.28-129,099.96

Finding the Fourth Proportional to 224,579.52, 309,896.28 and 129,099.96

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Solution

The fourth proportional to 224,579.52, 309,896.28 and 129,099.96 is: 178,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,579.52 : 309,896.28 = 129,099.96 : x
  2. Step 2: Convert to fraction form
    224,579.52/309,896.28 = 129,099.96/x
  3. Step 3: Cross multiply
    224,579.52x = 309,896.28 × 129,099.96
  4. Step 4: Simplify right side
    224,579.52x = 40,007,597,352.15
  5. Step 5: Solve for x
    x = 40,007,597,352.15/224,579.52
  6. Step 6: Final answer
    x = 178,144.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.