Home / 190,785.86-263,296.92-110,216.78

Finding the Fourth Proportional to 190,785.86, 263,296.92 and 110,216.78

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Solution

The fourth proportional to 190,785.86, 263,296.92 and 110,216.78 is: 152,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,785.86 : 263,296.92 = 110,216.78 : x
  2. Step 2: Convert to fraction form
    190,785.86/263,296.92 = 110,216.78/x
  3. Step 3: Cross multiply
    190,785.86x = 263,296.92 × 110,216.78
  4. Step 4: Simplify right side
    190,785.86x = 29,019,738,706.32
  5. Step 5: Solve for x
    x = 29,019,738,706.32/190,785.86
  6. Step 6: Final answer
    x = 152,106.34

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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.