Home / 205,563.37-308,204.73-109,514.95

Finding the Fourth Proportional to 205,563.37, 308,204.73 and 109,514.95

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Solution

The fourth proportional to 205,563.37, 308,204.73 and 109,514.95 is: 164,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,563.37 : 308,204.73 = 109,514.95 : x
  2. Step 2: Convert to fraction form
    205,563.37/308,204.73 = 109,514.95/x
  3. Step 3: Cross multiply
    205,563.37x = 308,204.73 × 109,514.95
  4. Step 4: Simplify right side
    205,563.37x = 33,753,024,054.69
  5. Step 5: Solve for x
    x = 33,753,024,054.69/205,563.37
  6. Step 6: Final answer
    x = 164,197.66

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1.5x scale

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.