Home / 117,107.37-161,608.26-63,392.22

Finding the Fourth Proportional to 117,107.37, 161,608.26 and 63,392.22

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Solution

The fourth proportional to 117,107.37, 161,608.26 and 63,392.22 is: 87,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,107.37 : 161,608.26 = 63,392.22 : x
  2. Step 2: Convert to fraction form
    117,107.37/161,608.26 = 63,392.22/x
  3. Step 3: Cross multiply
    117,107.37x = 161,608.26 × 63,392.22
  4. Step 4: Simplify right side
    117,107.37x = 10,244,706,371.74
  5. Step 5: Solve for x
    x = 10,244,706,371.74/117,107.37
  6. Step 6: Final answer
    x = 87,481.31

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1.5x scale

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.