Home / 168,919.20-231,866.69-149,370.62

Finding the Fourth Proportional to 168,919.20, 231,866.69 and 149,370.62

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Solution

The fourth proportional to 168,919.20, 231,866.69 and 149,370.62 is: 205,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,919.20 : 231,866.69 = 149,370.62 : x
  2. Step 2: Convert to fraction form
    168,919.20/231,866.69 = 149,370.62/x
  3. Step 3: Cross multiply
    168,919.20x = 231,866.69 × 149,370.62
  4. Step 4: Simplify right side
    168,919.20x = 34,634,069,336.46
  5. Step 5: Solve for x
    x = 34,634,069,336.46/168,919.20
  6. Step 6: Final answer
    x = 205,033.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.