Home / 131,801.76-197,243.16-107,832.24

Finding the Fourth Proportional to 131,801.76, 197,243.16 and 107,832.24

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Solution

The fourth proportional to 131,801.76, 197,243.16 and 107,832.24 is: 161,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,801.76 : 197,243.16 = 107,832.24 : x
  2. Step 2: Convert to fraction form
    131,801.76/197,243.16 = 107,832.24/x
  3. Step 3: Cross multiply
    131,801.76x = 197,243.16 × 107,832.24
  4. Step 4: Simplify right side
    131,801.76x = 21,269,171,767.48
  5. Step 5: Solve for x
    x = 21,269,171,767.48/131,801.76
  6. Step 6: Final answer
    x = 161,372.44

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1.5x scale

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.