Home / 166,766.16-230,137.68-90,286.06

Finding the Fourth Proportional to 166,766.16, 230,137.68 and 90,286.06

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Solution

The fourth proportional to 166,766.16, 230,137.68 and 90,286.06 is: 124,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,766.16 : 230,137.68 = 90,286.06 : x
  2. Step 2: Convert to fraction form
    166,766.16/230,137.68 = 90,286.06/x
  3. Step 3: Cross multiply
    166,766.16x = 230,137.68 × 90,286.06
  4. Step 4: Simplify right side
    166,766.16x = 20,778,224,384.74
  5. Step 5: Solve for x
    x = 20,778,224,384.74/166,766.16
  6. Step 6: Final answer
    x = 124,594.97

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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.