Home / 406,135.23-608,841-192,771.51

Finding the Fourth Proportional to 406,135.23, 608,841 and 192,771.51

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Solution

The fourth proportional to 406,135.23, 608,841 and 192,771.51 is: 288,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,135.23 : 608,841 = 192,771.51 : x
  2. Step 2: Convert to fraction form
    406,135.23/608,841 = 192,771.51/x
  3. Step 3: Cross multiply
    406,135.23x = 608,841 × 192,771.51
  4. Step 4: Simplify right side
    406,135.23x = 117,367,198,919.91
  5. Step 5: Solve for x
    x = 117,367,198,919.91/406,135.23
  6. Step 6: Final answer
    x = 288,985.52

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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.