Home / 180,625.20-271,091.40-80,938.80

Finding the Fourth Proportional to 180,625.20, 271,091.40 and 80,938.80

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Solution

The fourth proportional to 180,625.20, 271,091.40 and 80,938.80 is: 121,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,625.20 : 271,091.40 = 80,938.80 : x
  2. Step 2: Convert to fraction form
    180,625.20/271,091.40 = 80,938.80/x
  3. Step 3: Cross multiply
    180,625.20x = 271,091.40 × 80,938.80
  4. Step 4: Simplify right side
    180,625.20x = 21,941,812,606.32
  5. Step 5: Solve for x
    x = 21,941,812,606.32/180,625.20
  6. Step 6: Final answer
    x = 121,477.03

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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.