Home / 196,427.54-271,070.05-107,003.54

Finding the Fourth Proportional to 196,427.54, 271,070.05 and 107,003.54

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Solution

The fourth proportional to 196,427.54, 271,070.05 and 107,003.54 is: 147,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,427.54 : 271,070.05 = 107,003.54 : x
  2. Step 2: Convert to fraction form
    196,427.54/271,070.05 = 107,003.54/x
  3. Step 3: Cross multiply
    196,427.54x = 271,070.05 × 107,003.54
  4. Step 4: Simplify right side
    196,427.54x = 29,005,454,937.98
  5. Step 5: Solve for x
    x = 29,005,454,937.98/196,427.54
  6. Step 6: Final answer
    x = 147,664.91

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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.