Home / 290,181.06-400,473.77-161,127.54

Finding the Fourth Proportional to 290,181.06, 400,473.77 and 161,127.54

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Solution

The fourth proportional to 290,181.06, 400,473.77 and 161,127.54 is: 222,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,181.06 : 400,473.77 = 161,127.54 : x
  2. Step 2: Convert to fraction form
    290,181.06/400,473.77 = 161,127.54/x
  3. Step 3: Cross multiply
    290,181.06x = 400,473.77 × 161,127.54
  4. Step 4: Simplify right side
    290,181.06x = 64,527,352,588.99
  5. Step 5: Solve for x
    x = 64,527,352,588.99/290,181.06
  6. Step 6: Final answer
    x = 222,369.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.