Home / 374,815.61-517,257.99-205,049.73

Finding the Fourth Proportional to 374,815.61, 517,257.99 and 205,049.73

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Solution

The fourth proportional to 374,815.61, 517,257.99 and 205,049.73 is: 282,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,815.61 : 517,257.99 = 205,049.73 : x
  2. Step 2: Convert to fraction form
    374,815.61/517,257.99 = 205,049.73/x
  3. Step 3: Cross multiply
    374,815.61x = 517,257.99 × 205,049.73
  4. Step 4: Simplify right side
    374,815.61x = 106,063,611,189.84
  5. Step 5: Solve for x
    x = 106,063,611,189.84/374,815.61
  6. Step 6: Final answer
    x = 282,975.44

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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.