Home / 126,147.48-189,175.05-41,892.36

Finding the Fourth Proportional to 126,147.48, 189,175.05 and 41,892.36

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Solution

The fourth proportional to 126,147.48, 189,175.05 and 41,892.36 is: 62,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.48 : 189,175.05 = 41,892.36 : x
  2. Step 2: Convert to fraction form
    126,147.48/189,175.05 = 41,892.36/x
  3. Step 3: Cross multiply
    126,147.48x = 189,175.05 × 41,892.36
  4. Step 4: Simplify right side
    126,147.48x = 7,924,989,297.62
  5. Step 5: Solve for x
    x = 7,924,989,297.62/126,147.48
  6. Step 6: Final answer
    x = 62,823.21

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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.