Home / 252,078.32-347,865.20-143,181.92

Finding the Fourth Proportional to 252,078.32, 347,865.20 and 143,181.92

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Solution

The fourth proportional to 252,078.32, 347,865.20 and 143,181.92 is: 197,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,078.32 : 347,865.20 = 143,181.92 : x
  2. Step 2: Convert to fraction form
    252,078.32/347,865.20 = 143,181.92/x
  3. Step 3: Cross multiply
    252,078.32x = 347,865.20 × 143,181.92
  4. Step 4: Simplify right side
    252,078.32x = 49,808,007,237.18
  5. Step 5: Solve for x
    x = 49,808,007,237.18/252,078.32
  6. Step 6: Final answer
    x = 197,589.41

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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.