Home / 348,550.20-522,720.60-123,881.10

Finding the Fourth Proportional to 348,550.20, 522,720.60 and 123,881.10

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Solution

The fourth proportional to 348,550.20, 522,720.60 and 123,881.10 is: 185,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,550.20 : 522,720.60 = 123,881.10 : x
  2. Step 2: Convert to fraction form
    348,550.20/522,720.60 = 123,881.10/x
  3. Step 3: Cross multiply
    348,550.20x = 522,720.60 × 123,881.10
  4. Step 4: Simplify right side
    348,550.20x = 64,755,202,920.66
  5. Step 5: Solve for x
    x = 64,755,202,920.66/348,550.20
  6. Step 6: Final answer
    x = 185,784.44

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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.