Home / 213,185.03-319,721.85-63,384.98

Finding the Fourth Proportional to 213,185.03, 319,721.85 and 63,384.98

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Solution

The fourth proportional to 213,185.03, 319,721.85 and 63,384.98 is: 95,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,185.03 : 319,721.85 = 63,384.98 : x
  2. Step 2: Convert to fraction form
    213,185.03/319,721.85 = 63,384.98/x
  3. Step 3: Cross multiply
    213,185.03x = 319,721.85 × 63,384.98
  4. Step 4: Simplify right side
    213,185.03x = 20,265,561,469.20
  5. Step 5: Solve for x
    x = 20,265,561,469.20/213,185.03
  6. Step 6: Final answer
    x = 95,060.91

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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.