Home / 104,181.26-156,374.55-74,228.76

Finding the Fourth Proportional to 104,181.26, 156,374.55 and 74,228.76

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Solution

The fourth proportional to 104,181.26, 156,374.55 and 74,228.76 is: 111,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.26 : 156,374.55 = 74,228.76 : x
  2. Step 2: Convert to fraction form
    104,181.26/156,374.55 = 74,228.76/x
  3. Step 3: Cross multiply
    104,181.26x = 156,374.55 × 74,228.76
  4. Step 4: Simplify right side
    104,181.26x = 11,607,488,942.06
  5. Step 5: Solve for x
    x = 11,607,488,942.06/104,181.26
  6. Step 6: Final answer
    x = 111,416.29

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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.