Home / 222,440.23-306,963.72-120,464.86

Finding the Fourth Proportional to 222,440.23, 306,963.72 and 120,464.86

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Solution

The fourth proportional to 222,440.23, 306,963.72 and 120,464.86 is: 166,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,440.23 : 306,963.72 = 120,464.86 : x
  2. Step 2: Convert to fraction form
    222,440.23/306,963.72 = 120,464.86/x
  3. Step 3: Cross multiply
    222,440.23x = 306,963.72 × 120,464.86
  4. Step 4: Simplify right side
    222,440.23x = 36,978,341,554.88
  5. Step 5: Solve for x
    x = 36,978,341,554.88/222,440.23
  6. Step 6: Final answer
    x = 166,239.45

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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.