Home / 269,245.50-371,561.37-148,391.22

Finding the Fourth Proportional to 269,245.50, 371,561.37 and 148,391.22

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Solution

The fourth proportional to 269,245.50, 371,561.37 and 148,391.22 is: 204,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,245.50 : 371,561.37 = 148,391.22 : x
  2. Step 2: Convert to fraction form
    269,245.50/371,561.37 = 148,391.22/x
  3. Step 3: Cross multiply
    269,245.50x = 371,561.37 × 148,391.22
  4. Step 4: Simplify right side
    269,245.50x = 55,136,444,999.17
  5. Step 5: Solve for x
    x = 55,136,444,999.17/269,245.50
  6. Step 6: Final answer
    x = 204,781.31

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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.