Home / 112,396.49-168,590.82-28,157.37

Finding the Fourth Proportional to 112,396.49, 168,590.82 and 28,157.37

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Solution

The fourth proportional to 112,396.49, 168,590.82 and 28,157.37 is: 42,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,396.49 : 168,590.82 = 28,157.37 : x
  2. Step 2: Convert to fraction form
    112,396.49/168,590.82 = 28,157.37/x
  3. Step 3: Cross multiply
    112,396.49x = 168,590.82 × 28,157.37
  4. Step 4: Simplify right side
    112,396.49x = 4,747,074,360.66
  5. Step 5: Solve for x
    x = 4,747,074,360.66/112,396.49
  6. Step 6: Final answer
    x = 42,235.08

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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.