Home / 281,905.18-422,849.58-104,408.26

Finding the Fourth Proportional to 281,905.18, 422,849.58 and 104,408.26

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Solution

The fourth proportional to 281,905.18, 422,849.58 and 104,408.26 is: 156,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,905.18 : 422,849.58 = 104,408.26 : x
  2. Step 2: Convert to fraction form
    281,905.18/422,849.58 = 104,408.26/x
  3. Step 3: Cross multiply
    281,905.18x = 422,849.58 × 104,408.26
  4. Step 4: Simplify right side
    281,905.18x = 44,148,988,889.53
  5. Step 5: Solve for x
    x = 44,148,988,889.53/281,905.18
  6. Step 6: Final answer
    x = 156,609.36

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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.