Home / 171,558.06-257,052.54-121,389.48

Finding the Fourth Proportional to 171,558.06, 257,052.54 and 121,389.48

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Solution

The fourth proportional to 171,558.06, 257,052.54 and 121,389.48 is: 181,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,558.06 : 257,052.54 = 121,389.48 : x
  2. Step 2: Convert to fraction form
    171,558.06/257,052.54 = 121,389.48/x
  3. Step 3: Cross multiply
    171,558.06x = 257,052.54 × 121,389.48
  4. Step 4: Simplify right side
    171,558.06x = 31,203,474,163.28
  5. Step 5: Solve for x
    x = 31,203,474,163.28/171,558.06
  6. Step 6: Final answer
    x = 181,882.88

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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.