Home / 189,827.36-261,967.26-104,949.92

Finding the Fourth Proportional to 189,827.36, 261,967.26 and 104,949.92

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Solution

The fourth proportional to 189,827.36, 261,967.26 and 104,949.92 is: 144,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.36 : 261,967.26 = 104,949.92 : x
  2. Step 2: Convert to fraction form
    189,827.36/261,967.26 = 104,949.92/x
  3. Step 3: Cross multiply
    189,827.36x = 261,967.26 × 104,949.92
  4. Step 4: Simplify right side
    189,827.36x = 27,493,442,979.62
  5. Step 5: Solve for x
    x = 27,493,442,979.62/189,827.36
  6. Step 6: Final answer
    x = 144,833.93

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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.