Home / 213,843.12-320,735.52-56,058.36

Finding the Fourth Proportional to 213,843.12, 320,735.52 and 56,058.36

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Solution

The fourth proportional to 213,843.12, 320,735.52 and 56,058.36 is: 84,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,843.12 : 320,735.52 = 56,058.36 : x
  2. Step 2: Convert to fraction form
    213,843.12/320,735.52 = 56,058.36/x
  3. Step 3: Cross multiply
    213,843.12x = 320,735.52 × 56,058.36
  4. Step 4: Simplify right side
    213,843.12x = 17,979,907,244.95
  5. Step 5: Solve for x
    x = 17,979,907,244.95/213,843.12
  6. Step 6: Final answer
    x = 84,079.90

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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.