Home / 271,636.13-407,491.36-103,174.16

Finding the Fourth Proportional to 271,636.13, 407,491.36 and 103,174.16

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Solution

The fourth proportional to 271,636.13, 407,491.36 and 103,174.16 is: 154,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,636.13 : 407,491.36 = 103,174.16 : x
  2. Step 2: Convert to fraction form
    271,636.13/407,491.36 = 103,174.16/x
  3. Step 3: Cross multiply
    271,636.13x = 407,491.36 × 103,174.16
  4. Step 4: Simplify right side
    271,636.13x = 42,042,576,479.87
  5. Step 5: Solve for x
    x = 42,042,576,479.87/271,636.13
  6. Step 6: Final answer
    x = 154,775.35

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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.