Home / 154,450.80-231,676.20-54,610.20

Finding the Fourth Proportional to 154,450.80, 231,676.20 and 54,610.20

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Solution

The fourth proportional to 154,450.80, 231,676.20 and 54,610.20 is: 81,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,450.80 : 231,676.20 = 54,610.20 : x
  2. Step 2: Convert to fraction form
    154,450.80/231,676.20 = 54,610.20/x
  3. Step 3: Cross multiply
    154,450.80x = 231,676.20 × 54,610.20
  4. Step 4: Simplify right side
    154,450.80x = 12,651,883,617.24
  5. Step 5: Solve for x
    x = 12,651,883,617.24/154,450.80
  6. Step 6: Final answer
    x = 81,915.30

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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.