Home / 187,622.20-281,336.10-69,232.60

Finding the Fourth Proportional to 187,622.20, 281,336.10 and 69,232.60

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Solution

The fourth proportional to 187,622.20, 281,336.10 and 69,232.60 is: 103,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,622.20 : 281,336.10 = 69,232.60 : x
  2. Step 2: Convert to fraction form
    187,622.20/281,336.10 = 69,232.60/x
  3. Step 3: Cross multiply
    187,622.20x = 281,336.10 × 69,232.60
  4. Step 4: Simplify right side
    187,622.20x = 19,477,629,676.86
  5. Step 5: Solve for x
    x = 19,477,629,676.86/187,622.20
  6. Step 6: Final answer
    x = 103,813.03

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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.