Home / 168,022.24-231,768.08-99,993.52

Finding the Fourth Proportional to 168,022.24, 231,768.08 and 99,993.52

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Solution

The fourth proportional to 168,022.24, 231,768.08 and 99,993.52 is: 137,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.24 : 231,768.08 = 99,993.52 : x
  2. Step 2: Convert to fraction form
    168,022.24/231,768.08 = 99,993.52/x
  3. Step 3: Cross multiply
    168,022.24x = 231,768.08 × 99,993.52
  4. Step 4: Simplify right side
    168,022.24x = 23,175,306,142.84
  5. Step 5: Solve for x
    x = 23,175,306,142.84/168,022.24
  6. Step 6: Final answer
    x = 137,929.99

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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.