Home / 110,819.64-166,190.74-31,912.76

Finding the Fourth Proportional to 110,819.64, 166,190.74 and 31,912.76

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Solution

The fourth proportional to 110,819.64, 166,190.74 and 31,912.76 is: 47,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,819.64 : 166,190.74 = 31,912.76 : x
  2. Step 2: Convert to fraction form
    110,819.64/166,190.74 = 31,912.76/x
  3. Step 3: Cross multiply
    110,819.64x = 166,190.74 × 31,912.76
  4. Step 4: Simplify right side
    110,819.64x = 5,303,605,199.84
  5. Step 5: Solve for x
    x = 5,303,605,199.84/110,819.64
  6. Step 6: Final answer
    x = 47,857.99

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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.