Home / 154,905.98-213,906.57-96,862.19

Finding the Fourth Proportional to 154,905.98, 213,906.57 and 96,862.19

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Solution

The fourth proportional to 154,905.98, 213,906.57 and 96,862.19 is: 133,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,905.98 : 213,906.57 = 96,862.19 : x
  2. Step 2: Convert to fraction form
    154,905.98/213,906.57 = 96,862.19/x
  3. Step 3: Cross multiply
    154,905.98x = 213,906.57 × 96,862.19
  4. Step 4: Simplify right side
    154,905.98x = 20,719,458,825.59
  5. Step 5: Solve for x
    x = 20,719,458,825.59/154,905.98
  6. Step 6: Final answer
    x = 133,755.06

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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.