Home / 120,142.24-180,222.96-37,036

Finding the Fourth Proportional to 120,142.24, 180,222.96 and 37,036

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Solution

The fourth proportional to 120,142.24, 180,222.96 and 37,036 is: 55,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,142.24 : 180,222.96 = 37,036 : x
  2. Step 2: Convert to fraction form
    120,142.24/180,222.96 = 37,036/x
  3. Step 3: Cross multiply
    120,142.24x = 180,222.96 × 37,036
  4. Step 4: Simplify right side
    120,142.24x = 6,674,737,546.56
  5. Step 5: Solve for x
    x = 6,674,737,546.56/120,142.24
  6. Step 6: Final answer
    x = 55,556.96

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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.