Home / 277,145.31-382,625.78-181,817.67

Finding the Fourth Proportional to 277,145.31, 382,625.78 and 181,817.67

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Solution

The fourth proportional to 277,145.31, 382,625.78 and 181,817.67 is: 251,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,145.31 : 382,625.78 = 181,817.67 : x
  2. Step 2: Convert to fraction form
    277,145.31/382,625.78 = 181,817.67/x
  3. Step 3: Cross multiply
    277,145.31x = 382,625.78 × 181,817.67
  4. Step 4: Simplify right side
    277,145.31x = 69,568,126,892.44
  5. Step 5: Solve for x
    x = 69,568,126,892.44/277,145.31
  6. Step 6: Final answer
    x = 251,016.79

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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.