Home / 190,105.86-262,340.19-109,533.54

Finding the Fourth Proportional to 190,105.86, 262,340.19 and 109,533.54

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Solution

The fourth proportional to 190,105.86, 262,340.19 and 109,533.54 is: 151,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,105.86 : 262,340.19 = 109,533.54 : x
  2. Step 2: Convert to fraction form
    190,105.86/262,340.19 = 109,533.54/x
  3. Step 3: Cross multiply
    190,105.86x = 262,340.19 × 109,533.54
  4. Step 4: Simplify right side
    190,105.86x = 28,735,049,694.97
  5. Step 5: Solve for x
    x = 28,735,049,694.97/190,105.86
  6. Step 6: Final answer
    x = 151,152.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.