Home / 192,393.37-265,507.73-107,515.81

Finding the Fourth Proportional to 192,393.37, 265,507.73 and 107,515.81

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Solution

The fourth proportional to 192,393.37, 265,507.73 and 107,515.81 is: 148,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,393.37 : 265,507.73 = 107,515.81 : x
  2. Step 2: Convert to fraction form
    192,393.37/265,507.73 = 107,515.81/x
  3. Step 3: Cross multiply
    192,393.37x = 265,507.73 × 107,515.81
  4. Step 4: Simplify right side
    192,393.37x = 28,546,278,652.21
  5. Step 5: Solve for x
    x = 28,546,278,652.21/192,393.37
  6. Step 6: Final answer
    x = 148,374.54

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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.