Home / 226,181.80-311,867.19-168,721.38

Finding the Fourth Proportional to 226,181.80, 311,867.19 and 168,721.38

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Solution

The fourth proportional to 226,181.80, 311,867.19 and 168,721.38 is: 232,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,181.80 : 311,867.19 = 168,721.38 : x
  2. Step 2: Convert to fraction form
    226,181.80/311,867.19 = 168,721.38/x
  3. Step 3: Cross multiply
    226,181.80x = 311,867.19 × 168,721.38
  4. Step 4: Simplify right side
    226,181.80x = 52,618,661,114.19
  5. Step 5: Solve for x
    x = 52,618,661,114.19/226,181.80
  6. Step 6: Final answer
    x = 232,638.79

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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.