Home / 192,889.16-289,058.03-108,472.13

Finding the Fourth Proportional to 192,889.16, 289,058.03 and 108,472.13

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Solution

The fourth proportional to 192,889.16, 289,058.03 and 108,472.13 is: 162,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,889.16 : 289,058.03 = 108,472.13 : x
  2. Step 2: Convert to fraction form
    192,889.16/289,058.03 = 108,472.13/x
  3. Step 3: Cross multiply
    192,889.16x = 289,058.03 × 108,472.13
  4. Step 4: Simplify right side
    192,889.16x = 31,354,738,220.05
  5. Step 5: Solve for x
    x = 31,354,738,220.05/192,889.16
  6. Step 6: Final answer
    x = 162,553.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.