Home / 414,058.13-621,218.42-147,812.75

Finding the Fourth Proportional to 414,058.13, 621,218.42 and 147,812.75

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Solution

The fourth proportional to 414,058.13, 621,218.42 and 147,812.75 is: 221,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,058.13 : 621,218.42 = 147,812.75 : x
  2. Step 2: Convert to fraction form
    414,058.13/621,218.42 = 147,812.75/x
  3. Step 3: Cross multiply
    414,058.13x = 621,218.42 × 147,812.75
  4. Step 4: Simplify right side
    414,058.13x = 91,824,003,010.86
  5. Step 5: Solve for x
    x = 91,824,003,010.86/414,058.13
  6. Step 6: Final answer
    x = 221,765.97

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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.