Home / 190,005.48-262,198.62-109,435.32

Finding the Fourth Proportional to 190,005.48, 262,198.62 and 109,435.32

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Solution

The fourth proportional to 190,005.48, 262,198.62 and 109,435.32 is: 151,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,005.48 : 262,198.62 = 109,435.32 : x
  2. Step 2: Convert to fraction form
    190,005.48/262,198.62 = 109,435.32/x
  3. Step 3: Cross multiply
    190,005.48x = 262,198.62 × 109,435.32
  4. Step 4: Simplify right side
    190,005.48x = 28,693,789,883.26
  5. Step 5: Solve for x
    x = 28,693,789,883.26/190,005.48
  6. Step 6: Final answer
    x = 151,015.59

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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.