Home / 112,400.48-168,596.82-28,161.38

Finding the Fourth Proportional to 112,400.48, 168,596.82 and 28,161.38

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Solution

The fourth proportional to 112,400.48, 168,596.82 and 28,161.38 is: 42,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.48 : 168,596.82 = 28,161.38 : x
  2. Step 2: Convert to fraction form
    112,400.48/168,596.82 = 28,161.38/x
  3. Step 3: Cross multiply
    112,400.48x = 168,596.82 × 28,161.38
  4. Step 4: Simplify right side
    112,400.48x = 4,747,919,114.81
  5. Step 5: Solve for x
    x = 4,747,919,114.81/112,400.48
  6. Step 6: Final answer
    x = 42,241.09

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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.