Home / 185,541.39-278,311.37-67,185.05

Finding the Fourth Proportional to 185,541.39, 278,311.37 and 67,185.05

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Solution

The fourth proportional to 185,541.39, 278,311.37 and 67,185.05 is: 100,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,541.39 : 278,311.37 = 67,185.05 : x
  2. Step 2: Convert to fraction form
    185,541.39/278,311.37 = 67,185.05/x
  3. Step 3: Cross multiply
    185,541.39x = 278,311.37 × 67,185.05
  4. Step 4: Simplify right side
    185,541.39x = 18,698,361,581.54
  5. Step 5: Solve for x
    x = 18,698,361,581.54/185,541.39
  6. Step 6: Final answer
    x = 100,777.31

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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.