Home / 120,845-181,306.02-50,705.48

Finding the Fourth Proportional to 120,845, 181,306.02 and 50,705.48

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Solution

The fourth proportional to 120,845, 181,306.02 and 50,705.48 is: 76,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,845 : 181,306.02 = 50,705.48 : x
  2. Step 2: Convert to fraction form
    120,845/181,306.02 = 50,705.48/x
  3. Step 3: Cross multiply
    120,845x = 181,306.02 × 50,705.48
  4. Step 4: Simplify right side
    120,845x = 9,193,208,770.99
  5. Step 5: Solve for x
    x = 9,193,208,770.99/120,845
  6. Step 6: Final answer
    x = 76,074.38

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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.