Home / 189,200.94-261,099.30-104,321.04

Finding the Fourth Proportional to 189,200.94, 261,099.30 and 104,321.04

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Solution

The fourth proportional to 189,200.94, 261,099.30 and 104,321.04 is: 143,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200.94 : 261,099.30 = 104,321.04 : x
  2. Step 2: Convert to fraction form
    189,200.94/261,099.30 = 104,321.04/x
  3. Step 3: Cross multiply
    189,200.94x = 261,099.30 × 104,321.04
  4. Step 4: Simplify right side
    189,200.94x = 27,238,150,519.27
  5. Step 5: Solve for x
    x = 27,238,150,519.27/189,200.94
  6. Step 6: Final answer
    x = 143,964.14

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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.