Home / 321,376.20-482,061.87-96,735.66

Finding the Fourth Proportional to 321,376.20, 482,061.87 and 96,735.66

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Solution

The fourth proportional to 321,376.20, 482,061.87 and 96,735.66 is: 145,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,376.20 : 482,061.87 = 96,735.66 : x
  2. Step 2: Convert to fraction form
    321,376.20/482,061.87 = 96,735.66/x
  3. Step 3: Cross multiply
    321,376.20x = 482,061.87 × 96,735.66
  4. Step 4: Simplify right side
    321,376.20x = 46,632,573,155.28
  5. Step 5: Solve for x
    x = 46,632,573,155.28/321,376.20
  6. Step 6: Final answer
    x = 145,102.76

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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.