Home / 170,286.12-255,429.24-70,336.46

Finding the Fourth Proportional to 170,286.12, 255,429.24 and 70,336.46

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Solution

The fourth proportional to 170,286.12, 255,429.24 and 70,336.46 is: 105,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,286.12 : 255,429.24 = 70,336.46 : x
  2. Step 2: Convert to fraction form
    170,286.12/255,429.24 = 70,336.46/x
  3. Step 3: Cross multiply
    170,286.12x = 255,429.24 × 70,336.46
  4. Step 4: Simplify right side
    170,286.12x = 17,965,988,522.09
  5. Step 5: Solve for x
    x = 17,965,988,522.09/170,286.12
  6. Step 6: Final answer
    x = 105,504.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.