Home / 205,965.41-308,981.42-63,777.25

Finding the Fourth Proportional to 205,965.41, 308,981.42 and 63,777.25

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Solution

The fourth proportional to 205,965.41, 308,981.42 and 63,777.25 is: 95,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,965.41 : 308,981.42 = 63,777.25 : x
  2. Step 2: Convert to fraction form
    205,965.41/308,981.42 = 63,777.25/x
  3. Step 3: Cross multiply
    205,965.41x = 308,981.42 × 63,777.25
  4. Step 4: Simplify right side
    205,965.41x = 19,705,985,575.20
  5. Step 5: Solve for x
    x = 19,705,985,575.20/205,965.41
  6. Step 6: Final answer
    x = 95,676.19

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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.