Home / 166,777.90-230,153.66-90,297.06

Finding the Fourth Proportional to 166,777.90, 230,153.66 and 90,297.06

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Solution

The fourth proportional to 166,777.90, 230,153.66 and 90,297.06 is: 124,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,777.90 : 230,153.66 = 90,297.06 : x
  2. Step 2: Convert to fraction form
    166,777.90/230,153.66 = 90,297.06/x
  3. Step 3: Cross multiply
    166,777.90x = 230,153.66 × 90,297.06
  4. Step 4: Simplify right side
    166,777.90x = 20,782,198,846.24
  5. Step 5: Solve for x
    x = 20,782,198,846.24/166,777.90
  6. Step 6: Final answer
    x = 124,610.03

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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.