Home / 205,566.86-308,209.96-109,518.44

Finding the Fourth Proportional to 205,566.86, 308,209.96 and 109,518.44

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Solution

The fourth proportional to 205,566.86, 308,209.96 and 109,518.44 is: 164,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,566.86 : 308,209.96 = 109,518.44 : x
  2. Step 2: Convert to fraction form
    205,566.86/308,209.96 = 109,518.44/x
  3. Step 3: Cross multiply
    205,566.86x = 308,209.96 × 109,518.44
  4. Step 4: Simplify right side
    205,566.86x = 33,754,674,011.66
  5. Step 5: Solve for x
    x = 33,754,674,011.66/205,566.86
  6. Step 6: Final answer
    x = 164,202.90

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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.