Home / 100,174.24-150,266.22-82,612

Finding the Fourth Proportional to 100,174.24, 150,266.22 and 82,612

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Solution

The fourth proportional to 100,174.24, 150,266.22 and 82,612 is: 123,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,174.24 : 150,266.22 = 82,612 : x
  2. Step 2: Convert to fraction form
    100,174.24/150,266.22 = 82,612/x
  3. Step 3: Cross multiply
    100,174.24x = 150,266.22 × 82,612
  4. Step 4: Simplify right side
    100,174.24x = 12,413,792,966.64
  5. Step 5: Solve for x
    x = 12,413,792,966.64/100,174.24
  6. Step 6: Final answer
    x = 123,922.01

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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.