Home / 189,348.30-261,295.56-104,463.54

Finding the Fourth Proportional to 189,348.30, 261,295.56 and 104,463.54

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Solution

The fourth proportional to 189,348.30, 261,295.56 and 104,463.54 is: 144,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,348.30 : 261,295.56 = 104,463.54 : x
  2. Step 2: Convert to fraction form
    189,348.30/261,295.56 = 104,463.54/x
  3. Step 3: Cross multiply
    189,348.30x = 261,295.56 × 104,463.54
  4. Step 4: Simplify right side
    189,348.30x = 27,295,859,183.88
  5. Step 5: Solve for x
    x = 27,295,859,183.88/189,348.30
  6. Step 6: Final answer
    x = 144,156.87

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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.