Home / 157,724.78-236,496.27-107,865.31

Finding the Fourth Proportional to 157,724.78, 236,496.27 and 107,865.31

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Solution

The fourth proportional to 157,724.78, 236,496.27 and 107,865.31 is: 161,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,724.78 : 236,496.27 = 107,865.31 : x
  2. Step 2: Convert to fraction form
    157,724.78/236,496.27 = 107,865.31/x
  3. Step 3: Cross multiply
    157,724.78x = 236,496.27 × 107,865.31
  4. Step 4: Simplify right side
    157,724.78x = 25,509,743,477.39
  5. Step 5: Solve for x
    x = 25,509,743,477.39/157,724.78
  6. Step 6: Final answer
    x = 161,735.80

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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.