Home / 189,105.24-260,964.69-104,222.28

Finding the Fourth Proportional to 189,105.24, 260,964.69 and 104,222.28

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Solution

The fourth proportional to 189,105.24, 260,964.69 and 104,222.28 is: 143,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,105.24 : 260,964.69 = 104,222.28 : x
  2. Step 2: Convert to fraction form
    189,105.24/260,964.69 = 104,222.28/x
  3. Step 3: Cross multiply
    189,105.24x = 260,964.69 × 104,222.28
  4. Step 4: Simplify right side
    189,105.24x = 27,198,334,991.29
  5. Step 5: Solve for x
    x = 27,198,334,991.29/189,105.24
  6. Step 6: Final answer
    x = 143,826.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.