Home / 231,467.15-347,228.46-81,676.50

Finding the Fourth Proportional to 231,467.15, 347,228.46 and 81,676.50

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Solution

The fourth proportional to 231,467.15, 347,228.46 and 81,676.50 is: 122,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,467.15 : 347,228.46 = 81,676.50 : x
  2. Step 2: Convert to fraction form
    231,467.15/347,228.46 = 81,676.50/x
  3. Step 3: Cross multiply
    231,467.15x = 347,228.46 × 81,676.50
  4. Step 4: Simplify right side
    231,467.15x = 28,360,405,313.19
  5. Step 5: Solve for x
    x = 28,360,405,313.19/231,467.15
  6. Step 6: Final answer
    x = 122,524.54

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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.