Home / 190,112.36-262,349.16-109,540.04

Finding the Fourth Proportional to 190,112.36, 262,349.16 and 109,540.04

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Solution

The fourth proportional to 190,112.36, 262,349.16 and 109,540.04 is: 151,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,112.36 : 262,349.16 = 109,540.04 : x
  2. Step 2: Convert to fraction form
    190,112.36/262,349.16 = 109,540.04/x
  3. Step 3: Cross multiply
    190,112.36x = 262,349.16 × 109,540.04
  4. Step 4: Simplify right side
    190,112.36x = 28,737,737,480.37
  5. Step 5: Solve for x
    x = 28,737,737,480.37/190,112.36
  6. Step 6: Final answer
    x = 151,161.86

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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.