Home / 349,379.36-482,132.26-196,423.97

Finding the Fourth Proportional to 349,379.36, 482,132.26 and 196,423.97

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Solution

The fourth proportional to 349,379.36, 482,132.26 and 196,423.97 is: 271,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,379.36 : 482,132.26 = 196,423.97 : x
  2. Step 2: Convert to fraction form
    349,379.36/482,132.26 = 196,423.97/x
  3. Step 3: Cross multiply
    349,379.36x = 482,132.26 × 196,423.97
  4. Step 4: Simplify right side
    349,379.36x = 94,702,333,288.54
  5. Step 5: Solve for x
    x = 94,702,333,288.54/349,379.36
  6. Step 6: Final answer
    x = 271,058.76

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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.