Home / 196,749.76-271,487.28-111,857.44

Finding the Fourth Proportional to 196,749.76, 271,487.28 and 111,857.44

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Solution

The fourth proportional to 196,749.76, 271,487.28 and 111,857.44 is: 154,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,749.76 : 271,487.28 = 111,857.44 : x
  2. Step 2: Convert to fraction form
    196,749.76/271,487.28 = 111,857.44/x
  3. Step 3: Cross multiply
    196,749.76x = 271,487.28 × 111,857.44
  4. Step 4: Simplify right side
    196,749.76x = 30,367,872,133.36
  5. Step 5: Solve for x
    x = 30,367,872,133.36/196,749.76
  6. Step 6: Final answer
    x = 154,347.70

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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.