Home / 196,427.28-271,069.60-107,003.28

Finding the Fourth Proportional to 196,427.28, 271,069.60 and 107,003.28

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Solution

The fourth proportional to 196,427.28, 271,069.60 and 107,003.28 is: 147,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,427.28 : 271,069.60 = 107,003.28 : x
  2. Step 2: Convert to fraction form
    196,427.28/271,069.60 = 107,003.28/x
  3. Step 3: Cross multiply
    196,427.28x = 271,069.60 × 107,003.28
  4. Step 4: Simplify right side
    196,427.28x = 29,005,336,308.29
  5. Step 5: Solve for x
    x = 29,005,336,308.29/196,427.28
  6. Step 6: Final answer
    x = 147,664.50

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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.