Home / 285,554.37-394,043.36-158,227.23

Finding the Fourth Proportional to 285,554.37, 394,043.36 and 158,227.23

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Solution

The fourth proportional to 285,554.37, 394,043.36 and 158,227.23 is: 218,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,554.37 : 394,043.36 = 158,227.23 : x
  2. Step 2: Convert to fraction form
    285,554.37/394,043.36 = 158,227.23/x
  3. Step 3: Cross multiply
    285,554.37x = 394,043.36 × 158,227.23
  4. Step 4: Simplify right side
    285,554.37x = 62,348,388,561.56
  5. Step 5: Solve for x
    x = 62,348,388,561.56/285,554.37
  6. Step 6: Final answer
    x = 218,341.57

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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.