Home / 140,683.03-194,142.06-80,253.56

Finding the Fourth Proportional to 140,683.03, 194,142.06 and 80,253.56

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Solution

The fourth proportional to 140,683.03, 194,142.06 and 80,253.56 is: 110,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,683.03 : 194,142.06 = 80,253.56 : x
  2. Step 2: Convert to fraction form
    140,683.03/194,142.06 = 80,253.56/x
  3. Step 3: Cross multiply
    140,683.03x = 194,142.06 × 80,253.56
  4. Step 4: Simplify right side
    140,683.03x = 15,580,591,946.09
  5. Step 5: Solve for x
    x = 15,580,591,946.09/140,683.03
  6. Step 6: Final answer
    x = 110,749.62

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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.