Home / 131,712.49-197,546.64-47,456.96

Finding the Fourth Proportional to 131,712.49, 197,546.64 and 47,456.96

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Solution

The fourth proportional to 131,712.49, 197,546.64 and 47,456.96 is: 71,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,712.49 : 197,546.64 = 47,456.96 : x
  2. Step 2: Convert to fraction form
    131,712.49/197,546.64 = 47,456.96/x
  3. Step 3: Cross multiply
    131,712.49x = 197,546.64 × 47,456.96
  4. Step 4: Simplify right side
    131,712.49x = 9,374,961,826.92
  5. Step 5: Solve for x
    x = 9,374,961,826.92/131,712.49
  6. Step 6: Final answer
    x = 71,177.47

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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.