Home / 414,140.22-621,117.99-161,427.51

Finding the Fourth Proportional to 414,140.22, 621,117.99 and 161,427.51

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Solution

The fourth proportional to 414,140.22, 621,117.99 and 161,427.51 is: 242,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,140.22 : 621,117.99 = 161,427.51 : x
  2. Step 2: Convert to fraction form
    414,140.22/621,117.99 = 161,427.51/x
  3. Step 3: Cross multiply
    414,140.22x = 621,117.99 × 161,427.51
  4. Step 4: Simplify right side
    414,140.22x = 100,265,530,541.91
  5. Step 5: Solve for x
    x = 100,265,530,541.91/414,140.22
  6. Step 6: Final answer
    x = 242,105.27

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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.