Home / 157,722.78-236,493.27-107,863.31

Finding the Fourth Proportional to 157,722.78, 236,493.27 and 107,863.31

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Solution

The fourth proportional to 157,722.78, 236,493.27 and 107,863.31 is: 161,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,722.78 : 236,493.27 = 107,863.31 : x
  2. Step 2: Convert to fraction form
    157,722.78/236,493.27 = 107,863.31/x
  3. Step 3: Cross multiply
    157,722.78x = 236,493.27 × 107,863.31
  4. Step 4: Simplify right side
    157,722.78x = 25,508,945,712.46
  5. Step 5: Solve for x
    x = 25,508,945,712.46/157,722.78
  6. Step 6: Final answer
    x = 161,732.79

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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.