Home / 163,074.75-225,043.56-95,138.43

Finding the Fourth Proportional to 163,074.75, 225,043.56 and 95,138.43

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Solution

The fourth proportional to 163,074.75, 225,043.56 and 95,138.43 is: 131,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,074.75 : 225,043.56 = 95,138.43 : x
  2. Step 2: Convert to fraction form
    163,074.75/225,043.56 = 95,138.43/x
  3. Step 3: Cross multiply
    163,074.75x = 225,043.56 × 95,138.43
  4. Step 4: Simplify right side
    163,074.75x = 21,410,290,980.01
  5. Step 5: Solve for x
    x = 21,410,290,980.01/163,074.75
  6. Step 6: Final answer
    x = 131,291.27

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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.