Home / 139,270.82-192,196.06-75,608.64

Finding the Fourth Proportional to 139,270.82, 192,196.06 and 75,608.64

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Solution

The fourth proportional to 139,270.82, 192,196.06 and 75,608.64 is: 104,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270.82 : 192,196.06 = 75,608.64 : x
  2. Step 2: Convert to fraction form
    139,270.82/192,196.06 = 75,608.64/x
  3. Step 3: Cross multiply
    139,270.82x = 192,196.06 × 75,608.64
  4. Step 4: Simplify right side
    139,270.82x = 14,531,682,709.96
  5. Step 5: Solve for x
    x = 14,531,682,709.96/139,270.82
  6. Step 6: Final answer
    x = 104,341.19

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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.