Home / 205,930.20-308,895.30-183,379.80

Finding the Fourth Proportional to 205,930.20, 308,895.30 and 183,379.80

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Solution

The fourth proportional to 205,930.20, 308,895.30 and 183,379.80 is: 275,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,930.20 : 308,895.30 = 183,379.80 : x
  2. Step 2: Convert to fraction form
    205,930.20/308,895.30 = 183,379.80/x
  3. Step 3: Cross multiply
    205,930.20x = 308,895.30 × 183,379.80
  4. Step 4: Simplify right side
    205,930.20x = 56,645,158,334.94
  5. Step 5: Solve for x
    x = 56,645,158,334.94/205,930.20
  6. Step 6: Final answer
    x = 275,069.70

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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.