Home / 204,820.70-307,231.05-110,342.30

Finding the Fourth Proportional to 204,820.70, 307,231.05 and 110,342.30

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Solution

The fourth proportional to 204,820.70, 307,231.05 and 110,342.30 is: 165,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,820.70 : 307,231.05 = 110,342.30 : x
  2. Step 2: Convert to fraction form
    204,820.70/307,231.05 = 110,342.30/x
  3. Step 3: Cross multiply
    204,820.70x = 307,231.05 × 110,342.30
  4. Step 4: Simplify right side
    204,820.70x = 33,900,580,688.42
  5. Step 5: Solve for x
    x = 33,900,580,688.42/204,820.70
  6. Step 6: Final answer
    x = 165,513.45

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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.