Home / 189,171.92-261,059.04-104,292.02

Finding the Fourth Proportional to 189,171.92, 261,059.04 and 104,292.02

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Solution

The fourth proportional to 189,171.92, 261,059.04 and 104,292.02 is: 143,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,171.92 : 261,059.04 = 104,292.02 : x
  2. Step 2: Convert to fraction form
    189,171.92/261,059.04 = 104,292.02/x
  3. Step 3: Cross multiply
    189,171.92x = 261,059.04 × 104,292.02
  4. Step 4: Simplify right side
    189,171.92x = 27,226,375,469.47
  5. Step 5: Solve for x
    x = 27,226,375,469.47/189,171.92
  6. Step 6: Final answer
    x = 143,923.98

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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.