Home / 414,057.13-621,216.92-147,811.75

Finding the Fourth Proportional to 414,057.13, 621,216.92 and 147,811.75

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Solution

The fourth proportional to 414,057.13, 621,216.92 and 147,811.75 is: 221,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,057.13 : 621,216.92 = 147,811.75 : x
  2. Step 2: Convert to fraction form
    414,057.13/621,216.92 = 147,811.75/x
  3. Step 3: Cross multiply
    414,057.13x = 621,216.92 × 147,811.75
  4. Step 4: Simplify right side
    414,057.13x = 91,823,160,074.81
  5. Step 5: Solve for x
    x = 91,823,160,074.81/414,057.13
  6. Step 6: Final answer
    x = 221,764.47

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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.