Home / 120,457.05-180,714.29-41,571.96

Finding the Fourth Proportional to 120,457.05, 180,714.29 and 41,571.96

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Solution

The fourth proportional to 120,457.05, 180,714.29 and 41,571.96 is: 62,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,457.05 : 180,714.29 = 41,571.96 : x
  2. Step 2: Convert to fraction form
    120,457.05/180,714.29 = 41,571.96/x
  3. Step 3: Cross multiply
    120,457.05x = 180,714.29 × 41,571.96
  4. Step 4: Simplify right side
    120,457.05x = 7,512,647,235.31
  5. Step 5: Solve for x
    x = 7,512,647,235.31/120,457.05
  6. Step 6: Final answer
    x = 62,367.85

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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.