Home / 148,738.20-222,459.30-133,056.60

Finding the Fourth Proportional to 148,738.20, 222,459.30 and 133,056.60

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Solution

The fourth proportional to 148,738.20, 222,459.30 and 133,056.60 is: 199,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,738.20 : 222,459.30 = 133,056.60 : x
  2. Step 2: Convert to fraction form
    148,738.20/222,459.30 = 133,056.60/x
  3. Step 3: Cross multiply
    148,738.20x = 222,459.30 × 133,056.60
  4. Step 4: Simplify right side
    148,738.20x = 29,599,678,096.38
  5. Step 5: Solve for x
    x = 29,599,678,096.38/148,738.20
  6. Step 6: Final answer
    x = 199,005.22

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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.