Home / 140,646.56-194,053.87-80,195.16

Finding the Fourth Proportional to 140,646.56, 194,053.87 and 80,195.16

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Solution

The fourth proportional to 140,646.56, 194,053.87 and 80,195.16 is: 110,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,646.56 : 194,053.87 = 80,195.16 : x
  2. Step 2: Convert to fraction form
    140,646.56/194,053.87 = 80,195.16/x
  3. Step 3: Cross multiply
    140,646.56x = 194,053.87 × 80,195.16
  4. Step 4: Simplify right side
    140,646.56x = 15,562,181,153.27
  5. Step 5: Solve for x
    x = 15,562,181,153.27/140,646.56
  6. Step 6: Final answer
    x = 110,647.44

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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.