Home / 196,869.76-271,676.48-107,446.40

Finding the Fourth Proportional to 196,869.76, 271,676.48 and 107,446.40

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Solution

The fourth proportional to 196,869.76, 271,676.48 and 107,446.40 is: 148,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,869.76 : 271,676.48 = 107,446.40 : x
  2. Step 2: Convert to fraction form
    196,869.76/271,676.48 = 107,446.40/x
  3. Step 3: Cross multiply
    196,869.76x = 271,676.48 × 107,446.40
  4. Step 4: Simplify right side
    196,869.76x = 29,190,659,740.67
  5. Step 5: Solve for x
    x = 29,190,659,740.67/196,869.76
  6. Step 6: Final answer
    x = 148,273.96

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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.