Home / 222,176.52-306,284.64-158,403.60

Finding the Fourth Proportional to 222,176.52, 306,284.64 and 158,403.60

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Solution

The fourth proportional to 222,176.52, 306,284.64 and 158,403.60 is: 218,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,176.52 : 306,284.64 = 158,403.60 : x
  2. Step 2: Convert to fraction form
    222,176.52/306,284.64 = 158,403.60/x
  3. Step 3: Cross multiply
    222,176.52x = 306,284.64 × 158,403.60
  4. Step 4: Simplify right side
    222,176.52x = 48,516,589,600.70
  5. Step 5: Solve for x
    x = 48,516,589,600.70/222,176.52
  6. Step 6: Final answer
    x = 218,369.56

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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.