Home / 204,289.68-281,918-113,643.98

Finding the Fourth Proportional to 204,289.68, 281,918 and 113,643.98

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Solution

The fourth proportional to 204,289.68, 281,918 and 113,643.98 is: 156,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,289.68 : 281,918 = 113,643.98 : x
  2. Step 2: Convert to fraction form
    204,289.68/281,918 = 113,643.98/x
  3. Step 3: Cross multiply
    204,289.68x = 281,918 × 113,643.98
  4. Step 4: Simplify right side
    204,289.68x = 32,038,283,553.64
  5. Step 5: Solve for x
    x = 32,038,283,553.64/204,289.68
  6. Step 6: Final answer
    x = 156,827.71

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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.