Home / 131,961.28-197,935.44-43,256.56

Finding the Fourth Proportional to 131,961.28, 197,935.44 and 43,256.56

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Solution

The fourth proportional to 131,961.28, 197,935.44 and 43,256.56 is: 64,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,961.28 : 197,935.44 = 43,256.56 : x
  2. Step 2: Convert to fraction form
    131,961.28/197,935.44 = 43,256.56/x
  3. Step 3: Cross multiply
    131,961.28x = 197,935.44 × 43,256.56
  4. Step 4: Simplify right side
    131,961.28x = 8,562,006,236.49
  5. Step 5: Solve for x
    x = 8,562,006,236.49/131,961.28
  6. Step 6: Final answer
    x = 64,882.72

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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.