Home / 204,090.14-281,647.77-112,213.31

Finding the Fourth Proportional to 204,090.14, 281,647.77 and 112,213.31

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Solution

The fourth proportional to 204,090.14, 281,647.77 and 112,213.31 is: 154,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,090.14 : 281,647.77 = 112,213.31 : x
  2. Step 2: Convert to fraction form
    204,090.14/281,647.77 = 112,213.31/x
  3. Step 3: Cross multiply
    204,090.14x = 281,647.77 × 112,213.31
  4. Step 4: Simplify right side
    204,090.14x = 31,604,628,525.82
  5. Step 5: Solve for x
    x = 31,604,628,525.82/204,090.14
  6. Step 6: Final answer
    x = 154,856.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.