Home / 319,029.45-440,257.11-181,207.44

Finding the Fourth Proportional to 319,029.45, 440,257.11 and 181,207.44

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Solution

The fourth proportional to 319,029.45, 440,257.11 and 181,207.44 is: 250,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,029.45 : 440,257.11 = 181,207.44 : x
  2. Step 2: Convert to fraction form
    319,029.45/440,257.11 = 181,207.44/x
  3. Step 3: Cross multiply
    319,029.45x = 440,257.11 × 181,207.44
  4. Step 4: Simplify right side
    319,029.45x = 79,777,863,844.90
  5. Step 5: Solve for x
    x = 79,777,863,844.90/319,029.45
  6. Step 6: Final answer
    x = 250,064.26

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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.