Home / 313,401.90-470,136.24-100,095.27

Finding the Fourth Proportional to 313,401.90, 470,136.24 and 100,095.27

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Solution

The fourth proportional to 313,401.90, 470,136.24 and 100,095.27 is: 150,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,401.90 : 470,136.24 = 100,095.27 : x
  2. Step 2: Convert to fraction form
    313,401.90/470,136.24 = 100,095.27/x
  3. Step 3: Cross multiply
    313,401.90x = 470,136.24 × 100,095.27
  4. Step 4: Simplify right side
    313,401.90x = 47,058,413,879.58
  5. Step 5: Solve for x
    x = 47,058,413,879.58/313,401.90
  6. Step 6: Final answer
    x = 150,153.57

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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.