Home / 180,677.10-271,078.53-80,847.84

Finding the Fourth Proportional to 180,677.10, 271,078.53 and 80,847.84

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Solution

The fourth proportional to 180,677.10, 271,078.53 and 80,847.84 is: 121,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,677.10 : 271,078.53 = 80,847.84 : x
  2. Step 2: Convert to fraction form
    180,677.10/271,078.53 = 80,847.84/x
  3. Step 3: Cross multiply
    180,677.10x = 271,078.53 × 80,847.84
  4. Step 4: Simplify right side
    180,677.10x = 21,916,113,620.88
  5. Step 5: Solve for x
    x = 21,916,113,620.88/180,677.10
  6. Step 6: Final answer
    x = 121,299.90

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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.