Home / 222,253.33-306,707.20-120,276.54

Finding the Fourth Proportional to 222,253.33, 306,707.20 and 120,276.54

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Solution

The fourth proportional to 222,253.33, 306,707.20 and 120,276.54 is: 165,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,253.33 : 306,707.20 = 120,276.54 : x
  2. Step 2: Convert to fraction form
    222,253.33/306,707.20 = 120,276.54/x
  3. Step 3: Cross multiply
    222,253.33x = 306,707.20 × 120,276.54
  4. Step 4: Simplify right side
    222,253.33x = 36,889,680,809.09
  5. Step 5: Solve for x
    x = 36,889,680,809.09/222,253.33
  6. Step 6: Final answer
    x = 165,980.33

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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.