Home / 167,981.21-251,968.70-41,621.76

Finding the Fourth Proportional to 167,981.21, 251,968.70 and 41,621.76

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Solution

The fourth proportional to 167,981.21, 251,968.70 and 41,621.76 is: 62,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.21 : 251,968.70 = 41,621.76 : x
  2. Step 2: Convert to fraction form
    167,981.21/251,968.70 = 41,621.76/x
  3. Step 3: Cross multiply
    167,981.21x = 251,968.70 × 41,621.76
  4. Step 4: Simplify right side
    167,981.21x = 10,487,380,128.99
  5. Step 5: Solve for x
    x = 10,487,380,128.99/167,981.21
  6. Step 6: Final answer
    x = 62,431.87

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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.