Home / 209,174.17-313,890.03-82,792.90

Finding the Fourth Proportional to 209,174.17, 313,890.03 and 82,792.90

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Solution

The fourth proportional to 209,174.17, 313,890.03 and 82,792.90 is: 124,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,174.17 : 313,890.03 = 82,792.90 : x
  2. Step 2: Convert to fraction form
    209,174.17/313,890.03 = 82,792.90/x
  3. Step 3: Cross multiply
    209,174.17x = 313,890.03 × 82,792.90
  4. Step 4: Simplify right side
    209,174.17x = 25,987,865,864.79
  5. Step 5: Solve for x
    x = 25,987,865,864.79/209,174.17
  6. Step 6: Final answer
    x = 124,240.32

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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.