Home / 205,577.20-308,409.78-61,494.31

Finding the Fourth Proportional to 205,577.20, 308,409.78 and 61,494.31

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Solution

The fourth proportional to 205,577.20, 308,409.78 and 61,494.31 is: 92,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,577.20 : 308,409.78 = 61,494.31 : x
  2. Step 2: Convert to fraction form
    205,577.20/308,409.78 = 61,494.31/x
  3. Step 3: Cross multiply
    205,577.20x = 308,409.78 × 61,494.31
  4. Step 4: Simplify right side
    205,577.20x = 18,965,446,682.85
  5. Step 5: Solve for x
    x = 18,965,446,682.85/205,577.20
  6. Step 6: Final answer
    x = 92,254.62

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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.