Home / 160,951.44-222,011.94-103,665

Finding the Fourth Proportional to 160,951.44, 222,011.94 and 103,665

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Solution

The fourth proportional to 160,951.44, 222,011.94 and 103,665 is: 142,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,951.44 : 222,011.94 = 103,665 : x
  2. Step 2: Convert to fraction form
    160,951.44/222,011.94 = 103,665/x
  3. Step 3: Cross multiply
    160,951.44x = 222,011.94 × 103,665
  4. Step 4: Simplify right side
    160,951.44x = 23,014,867,760.10
  5. Step 5: Solve for x
    x = 23,014,867,760.10/160,951.44
  6. Step 6: Final answer
    x = 142,992.62

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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.