Home / 106,960.18-160,319.98-40,355.10

Finding the Fourth Proportional to 106,960.18, 160,319.98 and 40,355.10

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Solution

The fourth proportional to 106,960.18, 160,319.98 and 40,355.10 is: 60,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,960.18 : 160,319.98 = 40,355.10 : x
  2. Step 2: Convert to fraction form
    106,960.18/160,319.98 = 40,355.10/x
  3. Step 3: Cross multiply
    106,960.18x = 160,319.98 × 40,355.10
  4. Step 4: Simplify right side
    106,960.18x = 6,469,728,824.90
  5. Step 5: Solve for x
    x = 6,469,728,824.90/106,960.18
  6. Step 6: Final answer
    x = 60,487.27

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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.