Home / 414,114.48-621,185.53-114,569.96

Finding the Fourth Proportional to 414,114.48, 621,185.53 and 114,569.96

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Solution

The fourth proportional to 414,114.48, 621,185.53 and 114,569.96 is: 171,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,114.48 : 621,185.53 = 114,569.96 : x
  2. Step 2: Convert to fraction form
    414,114.48/621,185.53 = 114,569.96/x
  3. Step 3: Cross multiply
    414,114.48x = 621,185.53 × 114,569.96
  4. Step 4: Simplify right side
    414,114.48x = 71,169,201,324.68
  5. Step 5: Solve for x
    x = 71,169,201,324.68/414,114.48
  6. Step 6: Final answer
    x = 171,858.76

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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.