Home / 166,788.70-230,166.68-90,306.48

Finding the Fourth Proportional to 166,788.70, 230,166.68 and 90,306.48

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Solution

The fourth proportional to 166,788.70, 230,166.68 and 90,306.48 is: 124,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,788.70 : 230,166.68 = 90,306.48 : x
  2. Step 2: Convert to fraction form
    166,788.70/230,166.68 = 90,306.48/x
  3. Step 3: Cross multiply
    166,788.70x = 230,166.68 × 90,306.48
  4. Step 4: Simplify right side
    166,788.70x = 20,785,542,684.09
  5. Step 5: Solve for x
    x = 20,785,542,684.09/166,788.70
  6. Step 6: Final answer
    x = 124,622.01

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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.