Home / 222,276.32-306,884.40-198,361.92

Finding the Fourth Proportional to 222,276.32, 306,884.40 and 198,361.92

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Solution

The fourth proportional to 222,276.32, 306,884.40 and 198,361.92 is: 273,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,276.32 : 306,884.40 = 198,361.92 : x
  2. Step 2: Convert to fraction form
    222,276.32/306,884.40 = 198,361.92/x
  3. Step 3: Cross multiply
    222,276.32x = 306,884.40 × 198,361.92
  4. Step 4: Simplify right side
    222,276.32x = 60,874,178,802.05
  5. Step 5: Solve for x
    x = 60,874,178,802.05/222,276.32
  6. Step 6: Final answer
    x = 273,867.13

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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.