Home / 349,053.40-481,665.30-196,083.28

Finding the Fourth Proportional to 349,053.40, 481,665.30 and 196,083.28

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Solution

The fourth proportional to 349,053.40, 481,665.30 and 196,083.28 is: 270,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,053.40 : 481,665.30 = 196,083.28 : x
  2. Step 2: Convert to fraction form
    349,053.40/481,665.30 = 196,083.28/x
  3. Step 3: Cross multiply
    349,053.40x = 481,665.30 × 196,083.28
  4. Step 4: Simplify right side
    349,053.40x = 94,446,511,886.18
  5. Step 5: Solve for x
    x = 94,446,511,886.18/349,053.40
  6. Step 6: Final answer
    x = 270,578.98

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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.