Home / 131,951.05-197,925.42-47,679.33

Finding the Fourth Proportional to 131,951.05, 197,925.42 and 47,679.33

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Solution

The fourth proportional to 131,951.05, 197,925.42 and 47,679.33 is: 71,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,951.05 : 197,925.42 = 47,679.33 : x
  2. Step 2: Convert to fraction form
    131,951.05/197,925.42 = 47,679.33/x
  3. Step 3: Cross multiply
    131,951.05x = 197,925.42 × 47,679.33
  4. Step 4: Simplify right side
    131,951.05x = 9,436,951,415.57
  5. Step 5: Solve for x
    x = 9,436,951,415.57/131,951.05
  6. Step 6: Final answer
    x = 71,518.58

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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.