Home / 223,440.17-335,054.78-81,185.09

Finding the Fourth Proportional to 223,440.17, 335,054.78 and 81,185.09

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Solution

The fourth proportional to 223,440.17, 335,054.78 and 81,185.09 is: 121,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,440.17 : 335,054.78 = 81,185.09 : x
  2. Step 2: Convert to fraction form
    223,440.17/335,054.78 = 81,185.09/x
  3. Step 3: Cross multiply
    223,440.17x = 335,054.78 × 81,185.09
  4. Step 4: Simplify right side
    223,440.17x = 27,201,450,692.47
  5. Step 5: Solve for x
    x = 27,201,450,692.47/223,440.17
  6. Step 6: Final answer
    x = 121,739.30

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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.