Home / 180,127.71-270,150.48-67,819.77

Finding the Fourth Proportional to 180,127.71, 270,150.48 and 67,819.77

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Solution

The fourth proportional to 180,127.71, 270,150.48 and 67,819.77 is: 101,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,127.71 : 270,150.48 = 67,819.77 : x
  2. Step 2: Convert to fraction form
    180,127.71/270,150.48 = 67,819.77/x
  3. Step 3: Cross multiply
    180,127.71x = 270,150.48 × 67,819.77
  4. Step 4: Simplify right side
    180,127.71x = 18,321,543,418.99
  5. Step 5: Solve for x
    x = 18,321,543,418.99/180,127.71
  6. Step 6: Final answer
    x = 101,714.19

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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.