Home / 180,617.26-271,100.85-87,188.62

Finding the Fourth Proportional to 180,617.26, 271,100.85 and 87,188.62

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Solution

The fourth proportional to 180,617.26, 271,100.85 and 87,188.62 is: 130,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,617.26 : 271,100.85 = 87,188.62 : x
  2. Step 2: Convert to fraction form
    180,617.26/271,100.85 = 87,188.62/x
  3. Step 3: Cross multiply
    180,617.26x = 271,100.85 × 87,188.62
  4. Step 4: Simplify right side
    180,617.26x = 23,636,907,200.88
  5. Step 5: Solve for x
    x = 23,636,907,200.88/180,617.26
  6. Step 6: Final answer
    x = 130,867.38

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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.