Home / 285,511.33-394,432.23-187,626.07

Finding the Fourth Proportional to 285,511.33, 394,432.23 and 187,626.07

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Solution

The fourth proportional to 285,511.33, 394,432.23 and 187,626.07 is: 259,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,511.33 : 394,432.23 = 187,626.07 : x
  2. Step 2: Convert to fraction form
    285,511.33/394,432.23 = 187,626.07/x
  3. Step 3: Cross multiply
    285,511.33x = 394,432.23 × 187,626.07
  4. Step 4: Simplify right side
    285,511.33x = 74,005,769,196.24
  5. Step 5: Solve for x
    x = 74,005,769,196.24/285,511.33
  6. Step 6: Final answer
    x = 259,204.32

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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.