Home / 154,546.60-231,819.90-43,738.60

Finding the Fourth Proportional to 154,546.60, 231,819.90 and 43,738.60

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Solution

The fourth proportional to 154,546.60, 231,819.90 and 43,738.60 is: 65,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,546.60 : 231,819.90 = 43,738.60 : x
  2. Step 2: Convert to fraction form
    154,546.60/231,819.90 = 43,738.60/x
  3. Step 3: Cross multiply
    154,546.60x = 231,819.90 × 43,738.60
  4. Step 4: Simplify right side
    154,546.60x = 10,139,477,878.14
  5. Step 5: Solve for x
    x = 10,139,477,878.14/154,546.60
  6. Step 6: Final answer
    x = 65,607.90

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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.