Home / 222,297.12-306,123.75-193,212.72

Finding the Fourth Proportional to 222,297.12, 306,123.75 and 193,212.72

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Solution

The fourth proportional to 222,297.12, 306,123.75 and 193,212.72 is: 266,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,297.12 : 306,123.75 = 193,212.72 : x
  2. Step 2: Convert to fraction form
    222,297.12/306,123.75 = 193,212.72/x
  3. Step 3: Cross multiply
    222,297.12x = 306,123.75 × 193,212.72
  4. Step 4: Simplify right side
    222,297.12x = 59,147,002,394.10
  5. Step 5: Solve for x
    x = 59,147,002,394.10/222,297.12
  6. Step 6: Final answer
    x = 266,071.83

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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.