Home / 188,023.22-281,944.11-109,157.30

Finding the Fourth Proportional to 188,023.22, 281,944.11 and 109,157.30

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Solution

The fourth proportional to 188,023.22, 281,944.11 and 109,157.30 is: 163,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,023.22 : 281,944.11 = 109,157.30 : x
  2. Step 2: Convert to fraction form
    188,023.22/281,944.11 = 109,157.30/x
  3. Step 3: Cross multiply
    188,023.22x = 281,944.11 × 109,157.30
  4. Step 4: Simplify right side
    188,023.22x = 30,776,257,798.50
  5. Step 5: Solve for x
    x = 30,776,257,798.50/188,023.22
  6. Step 6: Final answer
    x = 163,683.28

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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.