Home / 122,192-183,329.58-68,819.48

Finding the Fourth Proportional to 122,192, 183,329.58 and 68,819.48

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Solution

The fourth proportional to 122,192, 183,329.58 and 68,819.48 is: 103,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,192 : 183,329.58 = 68,819.48 : x
  2. Step 2: Convert to fraction form
    122,192/183,329.58 = 68,819.48/x
  3. Step 3: Cross multiply
    122,192x = 183,329.58 × 68,819.48
  4. Step 4: Simplify right side
    122,192x = 12,616,646,364.22
  5. Step 5: Solve for x
    x = 12,616,646,364.22/122,192
  6. Step 6: Final answer
    x = 103,252.64

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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.