Home / 274,743.60-412,115.40-228,087.60

Finding the Fourth Proportional to 274,743.60, 412,115.40 and 228,087.60

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Solution

The fourth proportional to 274,743.60, 412,115.40 and 228,087.60 is: 342,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,743.60 : 412,115.40 = 228,087.60 : x
  2. Step 2: Convert to fraction form
    274,743.60/412,115.40 = 228,087.60/x
  3. Step 3: Cross multiply
    274,743.60x = 412,115.40 × 228,087.60
  4. Step 4: Simplify right side
    274,743.60x = 93,998,412,509.04
  5. Step 5: Solve for x
    x = 93,998,412,509.04/274,743.60
  6. Step 6: Final answer
    x = 342,131.40

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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.