Home / 165,822.82-228,872.43-105,381.67

Finding the Fourth Proportional to 165,822.82, 228,872.43 and 105,381.67

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Solution

The fourth proportional to 165,822.82, 228,872.43 and 105,381.67 is: 145,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,822.82 : 228,872.43 = 105,381.67 : x
  2. Step 2: Convert to fraction form
    165,822.82/228,872.43 = 105,381.67/x
  3. Step 3: Cross multiply
    165,822.82x = 228,872.43 × 105,381.67
  4. Step 4: Simplify right side
    165,822.82x = 24,118,958,890.36
  5. Step 5: Solve for x
    x = 24,118,958,890.36/165,822.82
  6. Step 6: Final answer
    x = 145,450.18

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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.