Home / 208,891.80-313,381.13-94,985.33

Finding the Fourth Proportional to 208,891.80, 313,381.13 and 94,985.33

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Solution

The fourth proportional to 208,891.80, 313,381.13 and 94,985.33 is: 142,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,891.80 : 313,381.13 = 94,985.33 : x
  2. Step 2: Convert to fraction form
    208,891.80/313,381.13 = 94,985.33/x
  3. Step 3: Cross multiply
    208,891.80x = 313,381.13 × 94,985.33
  4. Step 4: Simplify right side
    208,891.80x = 29,766,608,006.99
  5. Step 5: Solve for x
    x = 29,766,608,006.99/208,891.80
  6. Step 6: Final answer
    x = 142,497.73

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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.