Home / 204,090.65-281,648.46-112,213.82

Finding the Fourth Proportional to 204,090.65, 281,648.46 and 112,213.82

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Solution

The fourth proportional to 204,090.65, 281,648.46 and 112,213.82 is: 154,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,090.65 : 281,648.46 = 112,213.82 : x
  2. Step 2: Convert to fraction form
    204,090.65/281,648.46 = 112,213.82/x
  3. Step 3: Cross multiply
    204,090.65x = 281,648.46 × 112,213.82
  4. Step 4: Simplify right side
    204,090.65x = 31,604,848,185.47
  5. Step 5: Solve for x
    x = 31,604,848,185.47/204,090.65
  6. Step 6: Final answer
    x = 154,856.92

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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.