Home / 188,153.40-281,999.70-82,860.60

Finding the Fourth Proportional to 188,153.40, 281,999.70 and 82,860.60

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Solution

The fourth proportional to 188,153.40, 281,999.70 and 82,860.60 is: 124,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,153.40 : 281,999.70 = 82,860.60 : x
  2. Step 2: Convert to fraction form
    188,153.40/281,999.70 = 82,860.60/x
  3. Step 3: Cross multiply
    188,153.40x = 281,999.70 × 82,860.60
  4. Step 4: Simplify right side
    188,153.40x = 23,366,664,341.82
  5. Step 5: Solve for x
    x = 23,366,664,341.82/188,153.40
  6. Step 6: Final answer
    x = 124,189.43

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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.