Home / 150,388.72-207,536.48-82,405.14

Finding the Fourth Proportional to 150,388.72, 207,536.48 and 82,405.14

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Solution

The fourth proportional to 150,388.72, 207,536.48 and 82,405.14 is: 113,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,388.72 : 207,536.48 = 82,405.14 : x
  2. Step 2: Convert to fraction form
    150,388.72/207,536.48 = 82,405.14/x
  3. Step 3: Cross multiply
    150,388.72x = 207,536.48 × 82,405.14
  4. Step 4: Simplify right side
    150,388.72x = 17,102,072,586.50
  5. Step 5: Solve for x
    x = 17,102,072,586.50/150,388.72
  6. Step 6: Final answer
    x = 113,719.12

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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.