Home / 190,219.37-262,502.31-109,646.36

Finding the Fourth Proportional to 190,219.37, 262,502.31 and 109,646.36

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Solution

The fourth proportional to 190,219.37, 262,502.31 and 109,646.36 is: 151,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,219.37 : 262,502.31 = 109,646.36 : x
  2. Step 2: Convert to fraction form
    190,219.37/262,502.31 = 109,646.36/x
  3. Step 3: Cross multiply
    190,219.37x = 262,502.31 × 109,646.36
  4. Step 4: Simplify right side
    190,219.37x = 28,782,422,783.09
  5. Step 5: Solve for x
    x = 28,782,422,783.09/190,219.37
  6. Step 6: Final answer
    x = 151,311.73

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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.