Home / 167,456.10-231,078.89-154,081.38

Finding the Fourth Proportional to 167,456.10, 231,078.89 and 154,081.38

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Solution

The fourth proportional to 167,456.10, 231,078.89 and 154,081.38 is: 212,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,456.10 : 231,078.89 = 154,081.38 : x
  2. Step 2: Convert to fraction form
    167,456.10/231,078.89 = 154,081.38/x
  3. Step 3: Cross multiply
    167,456.10x = 231,078.89 × 154,081.38
  4. Step 4: Simplify right side
    167,456.10x = 35,604,954,260.07
  5. Step 5: Solve for x
    x = 35,604,954,260.07/167,456.10
  6. Step 6: Final answer
    x = 212,622.62

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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.