Home / 140,241.60-193,534.46-79,816.84

Finding the Fourth Proportional to 140,241.60, 193,534.46 and 79,816.84

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Solution

The fourth proportional to 140,241.60, 193,534.46 and 79,816.84 is: 110,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.60 : 193,534.46 = 79,816.84 : x
  2. Step 2: Convert to fraction form
    140,241.60/193,534.46 = 79,816.84/x
  3. Step 3: Cross multiply
    140,241.60x = 193,534.46 × 79,816.84
  4. Step 4: Simplify right side
    140,241.60x = 15,447,309,982.30
  5. Step 5: Solve for x
    x = 15,447,309,982.30/140,241.60
  6. Step 6: Final answer
    x = 110,147.84

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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.