Home / 234,175.12-323,169.49-143,513.56

Finding the Fourth Proportional to 234,175.12, 323,169.49 and 143,513.56

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Solution

The fourth proportional to 234,175.12, 323,169.49 and 143,513.56 is: 198,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,175.12 : 323,169.49 = 143,513.56 : x
  2. Step 2: Convert to fraction form
    234,175.12/323,169.49 = 143,513.56/x
  3. Step 3: Cross multiply
    234,175.12x = 323,169.49 × 143,513.56
  4. Step 4: Simplify right side
    234,175.12x = 46,379,203,769.37
  5. Step 5: Solve for x
    x = 46,379,203,769.37/234,175.12
  6. Step 6: Final answer
    x = 198,053.51

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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.