Home / 192,131.10-265,129.92-107,253.54

Finding the Fourth Proportional to 192,131.10, 265,129.92 and 107,253.54

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Solution

The fourth proportional to 192,131.10, 265,129.92 and 107,253.54 is: 148,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,131.10 : 265,129.92 = 107,253.54 : x
  2. Step 2: Convert to fraction form
    192,131.10/265,129.92 = 107,253.54/x
  3. Step 3: Cross multiply
    192,131.10x = 265,129.92 × 107,253.54
  4. Step 4: Simplify right side
    192,131.10x = 28,436,122,479.92
  5. Step 5: Solve for x
    x = 28,436,122,479.92/192,131.10
  6. Step 6: Final answer
    x = 148,003.75

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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.