Home / 166,286.44-229,479.78-99,257.32

Finding the Fourth Proportional to 166,286.44, 229,479.78 and 99,257.32

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Solution

The fourth proportional to 166,286.44, 229,479.78 and 99,257.32 is: 136,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,286.44 : 229,479.78 = 99,257.32 : x
  2. Step 2: Convert to fraction form
    166,286.44/229,479.78 = 99,257.32/x
  3. Step 3: Cross multiply
    166,286.44x = 229,479.78 × 99,257.32
  4. Step 4: Simplify right side
    166,286.44x = 22,777,547,956.99
  5. Step 5: Solve for x
    x = 22,777,547,956.99/166,286.44
  6. Step 6: Final answer
    x = 136,977.78

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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.