Home / 222,323.60-306,845.32-131,730.56

Finding the Fourth Proportional to 222,323.60, 306,845.32 and 131,730.56

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Solution

The fourth proportional to 222,323.60, 306,845.32 and 131,730.56 is: 181,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,323.60 : 306,845.32 = 131,730.56 : x
  2. Step 2: Convert to fraction form
    222,323.60/306,845.32 = 131,730.56/x
  3. Step 3: Cross multiply
    222,323.60x = 306,845.32 × 131,730.56
  4. Step 4: Simplify right side
    222,323.60x = 40,420,905,836.98
  5. Step 5: Solve for x
    x = 40,420,905,836.98/222,323.60
  6. Step 6: Final answer
    x = 181,811.13

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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.