Home / 222,196.38-306,637.83-121,596.54

Finding the Fourth Proportional to 222,196.38, 306,637.83 and 121,596.54

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Solution

The fourth proportional to 222,196.38, 306,637.83 and 121,596.54 is: 167,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,196.38 : 306,637.83 = 121,596.54 : x
  2. Step 2: Convert to fraction form
    222,196.38/306,637.83 = 121,596.54/x
  3. Step 3: Cross multiply
    222,196.38x = 306,637.83 × 121,596.54
  4. Step 4: Simplify right side
    222,196.38x = 37,286,099,161.11
  5. Step 5: Solve for x
    x = 37,286,099,161.11/222,196.38
  6. Step 6: Final answer
    x = 167,806.96

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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.