Home / 117,237.09-161,786.97-63,523.56

Finding the Fourth Proportional to 117,237.09, 161,786.97 and 63,523.56

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Solution

The fourth proportional to 117,237.09, 161,786.97 and 63,523.56 is: 87,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.09 : 161,786.97 = 63,523.56 : x
  2. Step 2: Convert to fraction form
    117,237.09/161,786.97 = 63,523.56/x
  3. Step 3: Cross multiply
    117,237.09x = 161,786.97 × 63,523.56
  4. Step 4: Simplify right side
    117,237.09x = 10,277,284,296.01
  5. Step 5: Solve for x
    x = 10,277,284,296.01/117,237.09
  6. Step 6: Final answer
    x = 87,662.40

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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.