Home / 167,401.38-230,855.76-109,939.44

Finding the Fourth Proportional to 167,401.38, 230,855.76 and 109,939.44

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Solution

The fourth proportional to 167,401.38, 230,855.76 and 109,939.44 is: 151,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,401.38 : 230,855.76 = 109,939.44 : x
  2. Step 2: Convert to fraction form
    167,401.38/230,855.76 = 109,939.44/x
  3. Step 3: Cross multiply
    167,401.38x = 230,855.76 × 109,939.44
  4. Step 4: Simplify right side
    167,401.38x = 25,380,152,975.17
  5. Step 5: Solve for x
    x = 25,380,152,975.17/167,401.38
  6. Step 6: Final answer
    x = 151,612.57

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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.