Home / 139,176.09-192,060.52-84,708.54

Finding the Fourth Proportional to 139,176.09, 192,060.52 and 84,708.54

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Solution

The fourth proportional to 139,176.09, 192,060.52 and 84,708.54 is: 116,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,176.09 : 192,060.52 = 84,708.54 : x
  2. Step 2: Convert to fraction form
    139,176.09/192,060.52 = 84,708.54/x
  3. Step 3: Cross multiply
    139,176.09x = 192,060.52 × 84,708.54
  4. Step 4: Simplify right side
    139,176.09x = 16,269,166,029.07
  5. Step 5: Solve for x
    x = 16,269,166,029.07/139,176.09
  6. Step 6: Final answer
    x = 116,896.27

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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.