Home / 205,181.10-307,625.85-92,915.10

Finding the Fourth Proportional to 205,181.10, 307,625.85 and 92,915.10

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Solution

The fourth proportional to 205,181.10, 307,625.85 and 92,915.10 is: 139,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,181.10 : 307,625.85 = 92,915.10 : x
  2. Step 2: Convert to fraction form
    205,181.10/307,625.85 = 92,915.10/x
  3. Step 3: Cross multiply
    205,181.10x = 307,625.85 × 92,915.10
  4. Step 4: Simplify right side
    205,181.10x = 28,583,086,615.34
  5. Step 5: Solve for x
    x = 28,583,086,615.34/205,181.10
  6. Step 6: Final answer
    x = 139,306.63

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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.