Home / 204,148.81-306,285.43-104,379.04

Finding the Fourth Proportional to 204,148.81, 306,285.43 and 104,379.04

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Solution

The fourth proportional to 204,148.81, 306,285.43 and 104,379.04 is: 156,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,148.81 : 306,285.43 = 104,379.04 : x
  2. Step 2: Convert to fraction form
    204,148.81/306,285.43 = 104,379.04/x
  3. Step 3: Cross multiply
    204,148.81x = 306,285.43 × 104,379.04
  4. Step 4: Simplify right side
    204,148.81x = 31,969,779,149.39
  5. Step 5: Solve for x
    x = 31,969,779,149.39/204,148.81
  6. Step 6: Final answer
    x = 156,600.37

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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.