Home / 188,150.40-281,995.20-82,857.60

Finding the Fourth Proportional to 188,150.40, 281,995.20 and 82,857.60

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Solution

The fourth proportional to 188,150.40, 281,995.20 and 82,857.60 is: 124,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,150.40 : 281,995.20 = 82,857.60 : x
  2. Step 2: Convert to fraction form
    188,150.40/281,995.20 = 82,857.60/x
  3. Step 3: Cross multiply
    188,150.40x = 281,995.20 × 82,857.60
  4. Step 4: Simplify right side
    188,150.40x = 23,365,445,483.52
  5. Step 5: Solve for x
    x = 23,365,445,483.52/188,150.40
  6. Step 6: Final answer
    x = 124,184.94

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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.