Home / 150,486.48-225,706.68-39,687.12

Finding the Fourth Proportional to 150,486.48, 225,706.68 and 39,687.12

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Solution

The fourth proportional to 150,486.48, 225,706.68 and 39,687.12 is: 59,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,486.48 : 225,706.68 = 39,687.12 : x
  2. Step 2: Convert to fraction form
    150,486.48/225,706.68 = 39,687.12/x
  3. Step 3: Cross multiply
    150,486.48x = 225,706.68 × 39,687.12
  4. Step 4: Simplify right side
    150,486.48x = 8,957,648,093.96
  5. Step 5: Solve for x
    x = 8,957,648,093.96/150,486.48
  6. Step 6: Final answer
    x = 59,524.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.