Home / 416,623.13-624,967.08-136,168.73

Finding the Fourth Proportional to 416,623.13, 624,967.08 and 136,168.73

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Solution

The fourth proportional to 416,623.13, 624,967.08 and 136,168.73 is: 204,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,623.13 : 624,967.08 = 136,168.73 : x
  2. Step 2: Convert to fraction form
    416,623.13/624,967.08 = 136,168.73/x
  3. Step 3: Cross multiply
    416,623.13x = 624,967.08 × 136,168.73
  4. Step 4: Simplify right side
    416,623.13x = 85,100,970,450.57
  5. Step 5: Solve for x
    x = 85,100,970,450.57/416,623.13
  6. Step 6: Final answer
    x = 204,263.67

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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.