Home / 180,736.92-270,820.23-66,727.95

Finding the Fourth Proportional to 180,736.92, 270,820.23 and 66,727.95

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Solution

The fourth proportional to 180,736.92, 270,820.23 and 66,727.95 is: 99,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,736.92 : 270,820.23 = 66,727.95 : x
  2. Step 2: Convert to fraction form
    180,736.92/270,820.23 = 66,727.95/x
  3. Step 3: Cross multiply
    180,736.92x = 270,820.23 × 66,727.95
  4. Step 4: Simplify right side
    180,736.92x = 18,071,279,023.99
  5. Step 5: Solve for x
    x = 18,071,279,023.99/180,736.92
  6. Step 6: Final answer
    x = 99,986.65

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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.