Home / 155,041.21-214,250.57-132,067.81

Finding the Fourth Proportional to 155,041.21, 214,250.57 and 132,067.81

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Solution

The fourth proportional to 155,041.21, 214,250.57 and 132,067.81 is: 182,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,041.21 : 214,250.57 = 132,067.81 : x
  2. Step 2: Convert to fraction form
    155,041.21/214,250.57 = 132,067.81/x
  3. Step 3: Cross multiply
    155,041.21x = 214,250.57 × 132,067.81
  4. Step 4: Simplify right side
    155,041.21x = 28,295,603,571.15
  5. Step 5: Solve for x
    x = 28,295,603,571.15/155,041.21
  6. Step 6: Final answer
    x = 182,503.76

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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.