Home / 192,388.37-265,495.52-107,505.43

Finding the Fourth Proportional to 192,388.37, 265,495.52 and 107,505.43

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Solution

The fourth proportional to 192,388.37, 265,495.52 and 107,505.43 is: 148,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,388.37 : 265,495.52 = 107,505.43 : x
  2. Step 2: Convert to fraction form
    192,388.37/265,495.52 = 107,505.43/x
  3. Step 3: Cross multiply
    192,388.37x = 265,495.52 × 107,505.43
  4. Step 4: Simplify right side
    192,388.37x = 28,542,209,645.70
  5. Step 5: Solve for x
    x = 28,542,209,645.70/192,388.37
  6. Step 6: Final answer
    x = 148,357.25

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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.