Home / 111,334.36-166,964.46-51,338.29

Finding the Fourth Proportional to 111,334.36, 166,964.46 and 51,338.29

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Solution

The fourth proportional to 111,334.36, 166,964.46 and 51,338.29 is: 76,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,334.36 : 166,964.46 = 51,338.29 : x
  2. Step 2: Convert to fraction form
    111,334.36/166,964.46 = 51,338.29/x
  3. Step 3: Cross multiply
    111,334.36x = 166,964.46 × 51,338.29
  4. Step 4: Simplify right side
    111,334.36x = 8,571,669,867.17
  5. Step 5: Solve for x
    x = 8,571,669,867.17/111,334.36
  6. Step 6: Final answer
    x = 76,990.34

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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.