Home / 166,745.99-230,108.11-90,263.53

Finding the Fourth Proportional to 166,745.99, 230,108.11 and 90,263.53

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Solution

The fourth proportional to 166,745.99, 230,108.11 and 90,263.53 is: 124,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,745.99 : 230,108.11 = 90,263.53 : x
  2. Step 2: Convert to fraction form
    166,745.99/230,108.11 = 90,263.53/x
  3. Step 3: Cross multiply
    166,745.99x = 230,108.11 × 90,263.53
  4. Step 4: Simplify right side
    166,745.99x = 20,770,369,571.84
  5. Step 5: Solve for x
    x = 20,770,369,571.84/166,745.99
  6. Step 6: Final answer
    x = 124,562.93

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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.