Home / 431,786.29-647,402.26-179,241.10

Finding the Fourth Proportional to 431,786.29, 647,402.26 and 179,241.10

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Solution

The fourth proportional to 431,786.29, 647,402.26 and 179,241.10 is: 268,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,786.29 : 647,402.26 = 179,241.10 : x
  2. Step 2: Convert to fraction form
    431,786.29/647,402.26 = 179,241.10/x
  3. Step 3: Cross multiply
    431,786.29x = 647,402.26 × 179,241.10
  4. Step 4: Simplify right side
    431,786.29x = 116,041,089,987.88
  5. Step 5: Solve for x
    x = 116,041,089,987.88/431,786.29
  6. Step 6: Final answer
    x = 268,746.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.