Home / 180,847.40-271,194.30-87,381.80

Finding the Fourth Proportional to 180,847.40, 271,194.30 and 87,381.80

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Solution

The fourth proportional to 180,847.40, 271,194.30 and 87,381.80 is: 131,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,847.40 : 271,194.30 = 87,381.80 : x
  2. Step 2: Convert to fraction form
    180,847.40/271,194.30 = 87,381.80/x
  3. Step 3: Cross multiply
    180,847.40x = 271,194.30 × 87,381.80
  4. Step 4: Simplify right side
    180,847.40x = 23,697,446,083.74
  5. Step 5: Solve for x
    x = 23,697,446,083.74/180,847.40
  6. Step 6: Final answer
    x = 131,035.59

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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.