Home / 196,678.94-271,376.26-114,991.45

Finding the Fourth Proportional to 196,678.94, 271,376.26 and 114,991.45

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Solution

The fourth proportional to 196,678.94, 271,376.26 and 114,991.45 is: 158,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,678.94 : 271,376.26 = 114,991.45 : x
  2. Step 2: Convert to fraction form
    196,678.94/271,376.26 = 114,991.45/x
  3. Step 3: Cross multiply
    196,678.94x = 271,376.26 × 114,991.45
  4. Step 4: Simplify right side
    196,678.94x = 31,205,948,667.06
  5. Step 5: Solve for x
    x = 31,205,948,667.06/196,678.94
  6. Step 6: Final answer
    x = 158,664.42

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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.