Home / 321,119.40-481,823.10-110,908.20

Finding the Fourth Proportional to 321,119.40, 481,823.10 and 110,908.20

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Solution

The fourth proportional to 321,119.40, 481,823.10 and 110,908.20 is: 166,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,119.40 : 481,823.10 = 110,908.20 : x
  2. Step 2: Convert to fraction form
    321,119.40/481,823.10 = 110,908.20/x
  3. Step 3: Cross multiply
    321,119.40x = 481,823.10 × 110,908.20
  4. Step 4: Simplify right side
    321,119.40x = 53,438,132,739.42
  5. Step 5: Solve for x
    x = 53,438,132,739.42/321,119.40
  6. Step 6: Final answer
    x = 166,412.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.