Home / 180,738.20-271,110.04-68,470.40

Finding the Fourth Proportional to 180,738.20, 271,110.04 and 68,470.40

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Solution

The fourth proportional to 180,738.20, 271,110.04 and 68,470.40 is: 102,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,738.20 : 271,110.04 = 68,470.40 : x
  2. Step 2: Convert to fraction form
    180,738.20/271,110.04 = 68,470.40/x
  3. Step 3: Cross multiply
    180,738.20x = 271,110.04 × 68,470.40
  4. Step 4: Simplify right side
    180,738.20x = 18,563,012,882.82
  5. Step 5: Solve for x
    x = 18,563,012,882.82/180,738.20
  6. Step 6: Final answer
    x = 102,706.64

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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.