Home / 403,701.26-605,136.30-179,167.43

Finding the Fourth Proportional to 403,701.26, 605,136.30 and 179,167.43

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Solution

The fourth proportional to 403,701.26, 605,136.30 and 179,167.43 is: 268,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,701.26 : 605,136.30 = 179,167.43 : x
  2. Step 2: Convert to fraction form
    403,701.26/605,136.30 = 179,167.43/x
  3. Step 3: Cross multiply
    403,701.26x = 605,136.30 × 179,167.43
  4. Step 4: Simplify right side
    403,701.26x = 108,420,712,645.03
  5. Step 5: Solve for x
    x = 108,420,712,645.03/403,701.26
  6. Step 6: Final answer
    x = 268,566.70

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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.