Home / 189,073.24-260,933.72-104,190.32

Finding the Fourth Proportional to 189,073.24, 260,933.72 and 104,190.32

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Solution

The fourth proportional to 189,073.24, 260,933.72 and 104,190.32 is: 143,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,073.24 : 260,933.72 = 104,190.32 : x
  2. Step 2: Convert to fraction form
    189,073.24/260,933.72 = 104,190.32/x
  3. Step 3: Cross multiply
    189,073.24x = 260,933.72 × 104,190.32
  4. Step 4: Simplify right side
    189,073.24x = 27,186,767,785.59
  5. Step 5: Solve for x
    x = 27,186,767,785.59/189,073.24
  6. Step 6: Final answer
    x = 143,789.61

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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.