Home / 166,768.16-230,140.44-90,288.06

Finding the Fourth Proportional to 166,768.16, 230,140.44 and 90,288.06

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Solution

The fourth proportional to 166,768.16, 230,140.44 and 90,288.06 is: 124,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,768.16 : 230,140.44 = 90,288.06 : x
  2. Step 2: Convert to fraction form
    166,768.16/230,140.44 = 90,288.06/x
  3. Step 3: Cross multiply
    166,768.16x = 230,140.44 × 90,288.06
  4. Step 4: Simplify right side
    166,768.16x = 20,778,933,855.15
  5. Step 5: Solve for x
    x = 20,778,933,855.15/166,768.16
  6. Step 6: Final answer
    x = 124,597.73

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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.