Home / 145,832.76-199,936.68-143,175.60

Finding the Fourth Proportional to 145,832.76, 199,936.68 and 143,175.60

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Solution

The fourth proportional to 145,832.76, 199,936.68 and 143,175.60 is: 196,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.76 : 199,936.68 = 143,175.60 : x
  2. Step 2: Convert to fraction form
    145,832.76/199,936.68 = 143,175.60/x
  3. Step 3: Cross multiply
    145,832.76x = 199,936.68 × 143,175.60
  4. Step 4: Simplify right side
    145,832.76x = 28,626,054,121.01
  5. Step 5: Solve for x
    x = 28,626,054,121.01/145,832.76
  6. Step 6: Final answer
    x = 196,293.71

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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.