Home / 165,660.36-248,540.22-51,803.56

Finding the Fourth Proportional to 165,660.36, 248,540.22 and 51,803.56

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Solution

The fourth proportional to 165,660.36, 248,540.22 and 51,803.56 is: 77,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,660.36 : 248,540.22 = 51,803.56 : x
  2. Step 2: Convert to fraction form
    165,660.36/248,540.22 = 51,803.56/x
  3. Step 3: Cross multiply
    165,660.36x = 248,540.22 × 51,803.56
  4. Step 4: Simplify right side
    165,660.36x = 12,875,268,199.18
  5. Step 5: Solve for x
    x = 12,875,268,199.18/165,660.36
  6. Step 6: Final answer
    x = 77,720.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.