Home / 222,169.32-306,601.38-121,576.68

Finding the Fourth Proportional to 222,169.32, 306,601.38 and 121,576.68

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Solution

The fourth proportional to 222,169.32, 306,601.38 and 121,576.68 is: 167,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,169.32 : 306,601.38 = 121,576.68 : x
  2. Step 2: Convert to fraction form
    222,169.32/306,601.38 = 121,576.68/x
  3. Step 3: Cross multiply
    222,169.32x = 306,601.38 × 121,576.68
  4. Step 4: Simplify right side
    222,169.32x = 37,275,577,863.82
  5. Step 5: Solve for x
    x = 37,275,577,863.82/222,169.32
  6. Step 6: Final answer
    x = 167,780.04

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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.