Home / 148,589.20-222,912.60-74,717.20

Finding the Fourth Proportional to 148,589.20, 222,912.60 and 74,717.20

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Solution

The fourth proportional to 148,589.20, 222,912.60 and 74,717.20 is: 112,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,589.20 : 222,912.60 = 74,717.20 : x
  2. Step 2: Convert to fraction form
    148,589.20/222,912.60 = 74,717.20/x
  3. Step 3: Cross multiply
    148,589.20x = 222,912.60 × 74,717.20
  4. Step 4: Simplify right side
    148,589.20x = 16,655,405,316.72
  5. Step 5: Solve for x
    x = 16,655,405,316.72/148,589.20
  6. Step 6: Final answer
    x = 112,090.28

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1.5x scale

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.