Home / 167,297.57-230,872.31-90,817.26

Finding the Fourth Proportional to 167,297.57, 230,872.31 and 90,817.26

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Solution

The fourth proportional to 167,297.57, 230,872.31 and 90,817.26 is: 125,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,297.57 : 230,872.31 = 90,817.26 : x
  2. Step 2: Convert to fraction form
    167,297.57/230,872.31 = 90,817.26/x
  3. Step 3: Cross multiply
    167,297.57x = 230,872.31 × 90,817.26
  4. Step 4: Simplify right side
    167,297.57x = 20,967,190,149.98
  5. Step 5: Solve for x
    x = 20,967,190,149.98/167,297.57
  6. Step 6: Final answer
    x = 125,328.72

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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.