Home / 196,731.54-271,490.37-107,309.46

Finding the Fourth Proportional to 196,731.54, 271,490.37 and 107,309.46

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Solution

The fourth proportional to 196,731.54, 271,490.37 and 107,309.46 is: 148,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,731.54 : 271,490.37 = 107,309.46 : x
  2. Step 2: Convert to fraction form
    196,731.54/271,490.37 = 107,309.46/x
  3. Step 3: Cross multiply
    196,731.54x = 271,490.37 × 107,309.46
  4. Step 4: Simplify right side
    196,731.54x = 29,133,484,999.90
  5. Step 5: Solve for x
    x = 29,133,484,999.90/196,731.54
  6. Step 6: Final answer
    x = 148,087.52

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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.