Home / 222,336.10-306,823.75-120,361.48

Finding the Fourth Proportional to 222,336.10, 306,823.75 and 120,361.48

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Solution

The fourth proportional to 222,336.10, 306,823.75 and 120,361.48 is: 166,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,336.10 : 306,823.75 = 120,361.48 : x
  2. Step 2: Convert to fraction form
    222,336.10/306,823.75 = 120,361.48/x
  3. Step 3: Cross multiply
    222,336.10x = 306,823.75 × 120,361.48
  4. Step 4: Simplify right side
    222,336.10x = 36,929,760,047.34
  5. Step 5: Solve for x
    x = 36,929,760,047.34/222,336.10
  6. Step 6: Final answer
    x = 166,098.81

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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.