Home / 168,939.51-233,113.44-100,942.03

Finding the Fourth Proportional to 168,939.51, 233,113.44 and 100,942.03

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Solution

The fourth proportional to 168,939.51, 233,113.44 and 100,942.03 is: 139,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,939.51 : 233,113.44 = 100,942.03 : x
  2. Step 2: Convert to fraction form
    168,939.51/233,113.44 = 100,942.03/x
  3. Step 3: Cross multiply
    168,939.51x = 233,113.44 × 100,942.03
  4. Step 4: Simplify right side
    168,939.51x = 23,530,943,853.88
  5. Step 5: Solve for x
    x = 23,530,943,853.88/168,939.51
  6. Step 6: Final answer
    x = 139,286.21

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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.