Home / 222,247.06-306,698.60-120,270.29

Finding the Fourth Proportional to 222,247.06, 306,698.60 and 120,270.29

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Solution

The fourth proportional to 222,247.06, 306,698.60 and 120,270.29 is: 165,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,247.06 : 306,698.60 = 120,270.29 : x
  2. Step 2: Convert to fraction form
    222,247.06/306,698.60 = 120,270.29/x
  3. Step 3: Cross multiply
    222,247.06x = 306,698.60 × 120,270.29
  4. Step 4: Simplify right side
    222,247.06x = 36,886,728,331.78
  5. Step 5: Solve for x
    x = 36,886,728,331.78/222,247.06
  6. Step 6: Final answer
    x = 165,971.73

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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.