Home / 168,069.84-251,933.83-66,939.54

Finding the Fourth Proportional to 168,069.84, 251,933.83 and 66,939.54

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Solution

The fourth proportional to 168,069.84, 251,933.83 and 66,939.54 is: 100,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069.84 : 251,933.83 = 66,939.54 : x
  2. Step 2: Convert to fraction form
    168,069.84/251,933.83 = 66,939.54/x
  3. Step 3: Cross multiply
    168,069.84x = 251,933.83 × 66,939.54
  4. Step 4: Simplify right side
    168,069.84x = 16,864,334,690.64
  5. Step 5: Solve for x
    x = 16,864,334,690.64/168,069.84
  6. Step 6: Final answer
    x = 100,341.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.