Home / 189,226.27-261,134.21-104,346.37

Finding the Fourth Proportional to 189,226.27, 261,134.21 and 104,346.37

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Solution

The fourth proportional to 189,226.27, 261,134.21 and 104,346.37 is: 143,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,226.27 : 261,134.21 = 104,346.37 : x
  2. Step 2: Convert to fraction form
    189,226.27/261,134.21 = 104,346.37/x
  3. Step 3: Cross multiply
    189,226.27x = 261,134.21 × 104,346.37
  4. Step 4: Simplify right side
    189,226.27x = 27,248,405,721.75
  5. Step 5: Solve for x
    x = 27,248,405,721.75/189,226.27
  6. Step 6: Final answer
    x = 143,999.07

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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.