Home / 131,917.76-197,548.38-92,289.32

Finding the Fourth Proportional to 131,917.76, 197,548.38 and 92,289.32

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Solution

The fourth proportional to 131,917.76, 197,548.38 and 92,289.32 is: 138,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,917.76 : 197,548.38 = 92,289.32 : x
  2. Step 2: Convert to fraction form
    131,917.76/197,548.38 = 92,289.32/x
  3. Step 3: Cross multiply
    131,917.76x = 197,548.38 × 92,289.32
  4. Step 4: Simplify right side
    131,917.76x = 18,231,605,657.30
  5. Step 5: Solve for x
    x = 18,231,605,657.30/131,917.76
  6. Step 6: Final answer
    x = 138,204.33

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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.