Home / 152,445.78-228,546.56-72,443.60

Finding the Fourth Proportional to 152,445.78, 228,546.56 and 72,443.60

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Solution

The fourth proportional to 152,445.78, 228,546.56 and 72,443.60 is: 108,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,445.78 : 228,546.56 = 72,443.60 : x
  2. Step 2: Convert to fraction form
    152,445.78/228,546.56 = 72,443.60/x
  3. Step 3: Cross multiply
    152,445.78x = 228,546.56 × 72,443.60
  4. Step 4: Simplify right side
    152,445.78x = 16,556,735,469.44
  5. Step 5: Solve for x
    x = 16,556,735,469.44/152,445.78
  6. Step 6: Final answer
    x = 108,607.37

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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.