Home / 150,604.14-207,835.26-82,621.20

Finding the Fourth Proportional to 150,604.14, 207,835.26 and 82,621.20

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Solution

The fourth proportional to 150,604.14, 207,835.26 and 82,621.20 is: 114,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,604.14 : 207,835.26 = 82,621.20 : x
  2. Step 2: Convert to fraction form
    150,604.14/207,835.26 = 82,621.20/x
  3. Step 3: Cross multiply
    150,604.14x = 207,835.26 × 82,621.20
  4. Step 4: Simplify right side
    150,604.14x = 17,171,598,583.51
  5. Step 5: Solve for x
    x = 17,171,598,583.51/150,604.14
  6. Step 6: Final answer
    x = 114,018.10

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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.