Home / 325,125.48-487,245.03-156,633.54

Finding the Fourth Proportional to 325,125.48, 487,245.03 and 156,633.54

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Solution

The fourth proportional to 325,125.48, 487,245.03 and 156,633.54 is: 234,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,125.48 : 487,245.03 = 156,633.54 : x
  2. Step 2: Convert to fraction form
    325,125.48/487,245.03 = 156,633.54/x
  3. Step 3: Cross multiply
    325,125.48x = 487,245.03 × 156,633.54
  4. Step 4: Simplify right side
    325,125.48x = 76,318,913,896.31
  5. Step 5: Solve for x
    x = 76,318,913,896.31/325,125.48
  6. Step 6: Final answer
    x = 234,736.80

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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.