Home / 222,441.16-306,965.02-120,465.80

Finding the Fourth Proportional to 222,441.16, 306,965.02 and 120,465.80

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Solution

The fourth proportional to 222,441.16, 306,965.02 and 120,465.80 is: 166,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,441.16 : 306,965.02 = 120,465.80 : x
  2. Step 2: Convert to fraction form
    222,441.16/306,965.02 = 120,465.80/x
  3. Step 3: Cross multiply
    222,441.16x = 306,965.02 × 120,465.80
  4. Step 4: Simplify right side
    222,441.16x = 36,978,786,706.32
  5. Step 5: Solve for x
    x = 36,978,786,706.32/222,441.16
  6. Step 6: Final answer
    x = 166,240.76

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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.