Home / 147,142.20-203,042.18-82,596.64

Finding the Fourth Proportional to 147,142.20, 203,042.18 and 82,596.64

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Solution

The fourth proportional to 147,142.20, 203,042.18 and 82,596.64 is: 113,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,142.20 : 203,042.18 = 82,596.64 : x
  2. Step 2: Convert to fraction form
    147,142.20/203,042.18 = 82,596.64/x
  3. Step 3: Cross multiply
    147,142.20x = 203,042.18 × 82,596.64
  4. Step 4: Simplify right side
    147,142.20x = 16,770,601,846.28
  5. Step 5: Solve for x
    x = 16,770,601,846.28/147,142.20
  6. Step 6: Final answer
    x = 113,975.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.