Home / 140,441.34-193,786.65-80,013.18

Finding the Fourth Proportional to 140,441.34, 193,786.65 and 80,013.18

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Solution

The fourth proportional to 140,441.34, 193,786.65 and 80,013.18 is: 110,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441.34 : 193,786.65 = 80,013.18 : x
  2. Step 2: Convert to fraction form
    140,441.34/193,786.65 = 80,013.18/x
  3. Step 3: Cross multiply
    140,441.34x = 193,786.65 × 80,013.18
  4. Step 4: Simplify right side
    140,441.34x = 15,505,486,108.05
  5. Step 5: Solve for x
    x = 15,505,486,108.05/140,441.34
  6. Step 6: Final answer
    x = 110,405.43

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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.