Home / 168,040.36-231,900-92,588.92

Finding the Fourth Proportional to 168,040.36, 231,900 and 92,588.92

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Solution

The fourth proportional to 168,040.36, 231,900 and 92,588.92 is: 127,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,040.36 : 231,900 = 92,588.92 : x
  2. Step 2: Convert to fraction form
    168,040.36/231,900 = 92,588.92/x
  3. Step 3: Cross multiply
    168,040.36x = 231,900 × 92,588.92
  4. Step 4: Simplify right side
    168,040.36x = 21,471,370,548
  5. Step 5: Solve for x
    x = 21,471,370,548/168,040.36
  6. Step 6: Final answer
    x = 127,775.08

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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.