Home / 148,639.70-222,993.61-64,414

Finding the Fourth Proportional to 148,639.70, 222,993.61 and 64,414

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Solution

The fourth proportional to 148,639.70, 222,993.61 and 64,414 is: 96,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,639.70 : 222,993.61 = 64,414 : x
  2. Step 2: Convert to fraction form
    148,639.70/222,993.61 = 64,414/x
  3. Step 3: Cross multiply
    148,639.70x = 222,993.61 × 64,414
  4. Step 4: Simplify right side
    148,639.70x = 14,363,910,072.47
  5. Step 5: Solve for x
    x = 14,363,910,072.47/148,639.70
  6. Step 6: Final answer
    x = 96,635.76

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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.