Home / 148,915.20-222,724.80-133,233.60

Finding the Fourth Proportional to 148,915.20, 222,724.80 and 133,233.60

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Solution

The fourth proportional to 148,915.20, 222,724.80 and 133,233.60 is: 199,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,915.20 : 222,724.80 = 133,233.60 : x
  2. Step 2: Convert to fraction form
    148,915.20/222,724.80 = 133,233.60/x
  3. Step 3: Cross multiply
    148,915.20x = 222,724.80 × 133,233.60
  4. Step 4: Simplify right side
    148,915.20x = 29,674,426,913.28
  5. Step 5: Solve for x
    x = 29,674,426,913.28/148,915.20
  6. Step 6: Final answer
    x = 199,270.64

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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.