Home / 154,564.36-231,851.09-131,932.34

Finding the Fourth Proportional to 154,564.36, 231,851.09 and 131,932.34

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Solution

The fourth proportional to 154,564.36, 231,851.09 and 131,932.34 is: 197,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,564.36 : 231,851.09 = 131,932.34 : x
  2. Step 2: Convert to fraction form
    154,564.36/231,851.09 = 131,932.34/x
  3. Step 3: Cross multiply
    154,564.36x = 231,851.09 × 131,932.34
  4. Step 4: Simplify right side
    154,564.36x = 30,588,658,179.43
  5. Step 5: Solve for x
    x = 30,588,658,179.43/154,564.36
  6. Step 6: Final answer
    x = 197,902.41

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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.