Home / 168,119.55-251,435.75-149,530.05

Finding the Fourth Proportional to 168,119.55, 251,435.75 and 149,530.05

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Solution

The fourth proportional to 168,119.55, 251,435.75 and 149,530.05 is: 223,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,119.55 : 251,435.75 = 149,530.05 : x
  2. Step 2: Convert to fraction form
    168,119.55/251,435.75 = 149,530.05/x
  3. Step 3: Cross multiply
    168,119.55x = 251,435.75 × 149,530.05
  4. Step 4: Simplify right side
    168,119.55x = 37,597,199,521.64
  5. Step 5: Solve for x
    x = 37,597,199,521.64/168,119.55
  6. Step 6: Final answer
    x = 223,633.71

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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.