Home / 414,119.70-621,193.34-114,575.20

Finding the Fourth Proportional to 414,119.70, 621,193.34 and 114,575.20

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Solution

The fourth proportional to 414,119.70, 621,193.34 and 114,575.20 is: 171,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,119.70 : 621,193.34 = 114,575.20 : x
  2. Step 2: Convert to fraction form
    414,119.70/621,193.34 = 114,575.20/x
  3. Step 3: Cross multiply
    414,119.70x = 621,193.34 × 114,575.20
  4. Step 4: Simplify right side
    414,119.70x = 71,173,349,902.62
  5. Step 5: Solve for x
    x = 71,173,349,902.62/414,119.70
  6. Step 6: Final answer
    x = 171,866.61

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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.