Home / 440,103.45-660,077.14-200,161.15

Finding the Fourth Proportional to 440,103.45, 660,077.14 and 200,161.15

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Solution

The fourth proportional to 440,103.45, 660,077.14 and 200,161.15 is: 300,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,103.45 : 660,077.14 = 200,161.15 : x
  2. Step 2: Convert to fraction form
    440,103.45/660,077.14 = 200,161.15/x
  3. Step 3: Cross multiply
    440,103.45x = 660,077.14 × 200,161.15
  4. Step 4: Simplify right side
    440,103.45x = 132,121,797,280.52
  5. Step 5: Solve for x
    x = 132,121,797,280.52/440,103.45
  6. Step 6: Final answer
    x = 300,206.23

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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.