Home / 139,173.45-192,059.38-75,511.26

Finding the Fourth Proportional to 139,173.45, 192,059.38 and 75,511.26

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Solution

The fourth proportional to 139,173.45, 192,059.38 and 75,511.26 is: 104,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,173.45 : 192,059.38 = 75,511.26 : x
  2. Step 2: Convert to fraction form
    139,173.45/192,059.38 = 75,511.26/x
  3. Step 3: Cross multiply
    139,173.45x = 192,059.38 × 75,511.26
  4. Step 4: Simplify right side
    139,173.45x = 14,502,645,778.62
  5. Step 5: Solve for x
    x = 14,502,645,778.62/139,173.45
  6. Step 6: Final answer
    x = 104,205.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.