Home / 154,524.20-231,728.70-61,010.60

Finding the Fourth Proportional to 154,524.20, 231,728.70 and 61,010.60

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Solution

The fourth proportional to 154,524.20, 231,728.70 and 61,010.60 is: 91,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524.20 : 231,728.70 = 61,010.60 : x
  2. Step 2: Convert to fraction form
    154,524.20/231,728.70 = 61,010.60/x
  3. Step 3: Cross multiply
    154,524.20x = 231,728.70 × 61,010.60
  4. Step 4: Simplify right side
    154,524.20x = 14,137,907,024.22
  5. Step 5: Solve for x
    x = 14,137,907,024.22/154,524.20
  6. Step 6: Final answer
    x = 91,493.16

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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.