Home / 312,198.18-430,833.48-168,958.22

Finding the Fourth Proportional to 312,198.18, 430,833.48 and 168,958.22

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Solution

The fourth proportional to 312,198.18, 430,833.48 and 168,958.22 is: 233,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,198.18 : 430,833.48 = 168,958.22 : x
  2. Step 2: Convert to fraction form
    312,198.18/430,833.48 = 168,958.22/x
  3. Step 3: Cross multiply
    312,198.18x = 430,833.48 × 168,958.22
  4. Step 4: Simplify right side
    312,198.18x = 72,792,855,109.44
  5. Step 5: Solve for x
    x = 72,792,855,109.44/312,198.18
  6. Step 6: Final answer
    x = 233,162.33

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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.