Home / 222,235.41-306,685.68-120,260.86

Finding the Fourth Proportional to 222,235.41, 306,685.68 and 120,260.86

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Solution

The fourth proportional to 222,235.41, 306,685.68 and 120,260.86 is: 165,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,235.41 : 306,685.68 = 120,260.86 : x
  2. Step 2: Convert to fraction form
    222,235.41/306,685.68 = 120,260.86/x
  3. Step 3: Cross multiply
    222,235.41x = 306,685.68 × 120,260.86
  4. Step 4: Simplify right side
    222,235.41x = 36,882,283,025.18
  5. Step 5: Solve for x
    x = 36,882,283,025.18/222,235.41
  6. Step 6: Final answer
    x = 165,960.42

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1.5x scale

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.