Home / 271,760.10-407,543.14-111,789.28

Finding the Fourth Proportional to 271,760.10, 407,543.14 and 111,789.28

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Solution

The fourth proportional to 271,760.10, 407,543.14 and 111,789.28 is: 167,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,760.10 : 407,543.14 = 111,789.28 : x
  2. Step 2: Convert to fraction form
    271,760.10/407,543.14 = 111,789.28/x
  3. Step 3: Cross multiply
    271,760.10x = 407,543.14 × 111,789.28
  4. Step 4: Simplify right side
    271,760.10x = 45,558,954,189.54
  5. Step 5: Solve for x
    x = 45,558,954,189.54/271,760.10
  6. Step 6: Final answer
    x = 167,644.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.