Home / 222,458.26-306,992.28-120,483.72

Finding the Fourth Proportional to 222,458.26, 306,992.28 and 120,483.72

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Solution

The fourth proportional to 222,458.26, 306,992.28 and 120,483.72 is: 166,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,458.26 : 306,992.28 = 120,483.72 : x
  2. Step 2: Convert to fraction form
    222,458.26/306,992.28 = 120,483.72/x
  3. Step 3: Cross multiply
    222,458.26x = 306,992.28 × 120,483.72
  4. Step 4: Simplify right side
    222,458.26x = 36,987,571,905.68
  5. Step 5: Solve for x
    x = 36,987,571,905.68/222,458.26
  6. Step 6: Final answer
    x = 166,267.47

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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.