Home / 274,851.41-412,271.27-75,171.80

Finding the Fourth Proportional to 274,851.41, 412,271.27 and 75,171.80

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Solution

The fourth proportional to 274,851.41, 412,271.27 and 75,171.80 is: 112,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,851.41 : 412,271.27 = 75,171.80 : x
  2. Step 2: Convert to fraction form
    274,851.41/412,271.27 = 75,171.80/x
  3. Step 3: Cross multiply
    274,851.41x = 412,271.27 × 75,171.80
  4. Step 4: Simplify right side
    274,851.41x = 30,991,171,298.86
  5. Step 5: Solve for x
    x = 30,991,171,298.86/274,851.41
  6. Step 6: Final answer
    x = 112,756.10

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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.