Home / 115,122.44-172,683.42-36,243.56

Finding the Fourth Proportional to 115,122.44, 172,683.42 and 36,243.56

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Solution

The fourth proportional to 115,122.44, 172,683.42 and 36,243.56 is: 54,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,122.44 : 172,683.42 = 36,243.56 : x
  2. Step 2: Convert to fraction form
    115,122.44/172,683.42 = 36,243.56/x
  3. Step 3: Cross multiply
    115,122.44x = 172,683.42 × 36,243.56
  4. Step 4: Simplify right side
    115,122.44x = 6,258,661,893.78
  5. Step 5: Solve for x
    x = 6,258,661,893.78/115,122.44
  6. Step 6: Final answer
    x = 54,365.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.