Home / 149,401.20-223,453.80-133,719.60

Finding the Fourth Proportional to 149,401.20, 223,453.80 and 133,719.60

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Solution

The fourth proportional to 149,401.20, 223,453.80 and 133,719.60 is: 199,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,401.20 : 223,453.80 = 133,719.60 : x
  2. Step 2: Convert to fraction form
    149,401.20/223,453.80 = 133,719.60/x
  3. Step 3: Cross multiply
    149,401.20x = 223,453.80 × 133,719.60
  4. Step 4: Simplify right side
    149,401.20x = 29,880,152,754.48
  5. Step 5: Solve for x
    x = 29,880,152,754.48/149,401.20
  6. Step 6: Final answer
    x = 199,999.42

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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.