Home / 192,049.73-265,134.78-115,587.60

Finding the Fourth Proportional to 192,049.73, 265,134.78 and 115,587.60

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Solution

The fourth proportional to 192,049.73, 265,134.78 and 115,587.60 is: 159,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,049.73 : 265,134.78 = 115,587.60 : x
  2. Step 2: Convert to fraction form
    192,049.73/265,134.78 = 115,587.60/x
  3. Step 3: Cross multiply
    192,049.73x = 265,134.78 × 115,587.60
  4. Step 4: Simplify right side
    192,049.73x = 30,646,292,896.73
  5. Step 5: Solve for x
    x = 30,646,292,896.73/192,049.73
  6. Step 6: Final answer
    x = 159,574.78

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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.