Home / 140,970.04-194,520.73-80,544.60

Finding the Fourth Proportional to 140,970.04, 194,520.73 and 80,544.60

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Solution

The fourth proportional to 140,970.04, 194,520.73 and 80,544.60 is: 111,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,970.04 : 194,520.73 = 80,544.60 : x
  2. Step 2: Convert to fraction form
    140,970.04/194,520.73 = 80,544.60/x
  3. Step 3: Cross multiply
    140,970.04x = 194,520.73 × 80,544.60
  4. Step 4: Simplify right side
    140,970.04x = 15,667,594,389.56
  5. Step 5: Solve for x
    x = 15,667,594,389.56/140,970.04
  6. Step 6: Final answer
    x = 111,141.31

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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.