Home / 154,222.80-231,334.20-92,014.80

Finding the Fourth Proportional to 154,222.80, 231,334.20 and 92,014.80

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Solution

The fourth proportional to 154,222.80, 231,334.20 and 92,014.80 is: 138,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,222.80 : 231,334.20 = 92,014.80 : x
  2. Step 2: Convert to fraction form
    154,222.80/231,334.20 = 92,014.80/x
  3. Step 3: Cross multiply
    154,222.80x = 231,334.20 × 92,014.80
  4. Step 4: Simplify right side
    154,222.80x = 21,286,170,146.16
  5. Step 5: Solve for x
    x = 21,286,170,146.16/154,222.80
  6. Step 6: Final answer
    x = 138,022.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.