Home / 325,433.28-488,167.20-103,800

Finding the Fourth Proportional to 325,433.28, 488,167.20 and 103,800

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Solution

The fourth proportional to 325,433.28, 488,167.20 and 103,800 is: 155,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,433.28 : 488,167.20 = 103,800 : x
  2. Step 2: Convert to fraction form
    325,433.28/488,167.20 = 103,800/x
  3. Step 3: Cross multiply
    325,433.28x = 488,167.20 × 103,800
  4. Step 4: Simplify right side
    325,433.28x = 50,671,755,360
  5. Step 5: Solve for x
    x = 50,671,755,360/325,433.28
  6. Step 6: Final answer
    x = 155,705.51

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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.