Home / 150,558.66-207,249.43-130,131.42

Finding the Fourth Proportional to 150,558.66, 207,249.43 and 130,131.42

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Solution

The fourth proportional to 150,558.66, 207,249.43 and 130,131.42 is: 179,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,558.66 : 207,249.43 = 130,131.42 : x
  2. Step 2: Convert to fraction form
    150,558.66/207,249.43 = 130,131.42/x
  3. Step 3: Cross multiply
    150,558.66x = 207,249.43 × 130,131.42
  4. Step 4: Simplify right side
    150,558.66x = 26,969,662,620.09
  5. Step 5: Solve for x
    x = 26,969,662,620.09/150,558.66
  6. Step 6: Final answer
    x = 179,130.60

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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.