Home / 189,336.16-261,283.92-104,453.44

Finding the Fourth Proportional to 189,336.16, 261,283.92 and 104,453.44

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Solution

The fourth proportional to 189,336.16, 261,283.92 and 104,453.44 is: 144,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,336.16 : 261,283.92 = 104,453.44 : x
  2. Step 2: Convert to fraction form
    189,336.16/261,283.92 = 104,453.44/x
  3. Step 3: Cross multiply
    189,336.16x = 261,283.92 × 104,453.44
  4. Step 4: Simplify right side
    189,336.16x = 27,292,004,260.68
  5. Step 5: Solve for x
    x = 27,292,004,260.68/189,336.16
  6. Step 6: Final answer
    x = 144,145.76

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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.