Home / 205,493.25-283,591.50-124,907.70

Finding the Fourth Proportional to 205,493.25, 283,591.50 and 124,907.70

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Solution

The fourth proportional to 205,493.25, 283,591.50 and 124,907.70 is: 172,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,493.25 : 283,591.50 = 124,907.70 : x
  2. Step 2: Convert to fraction form
    205,493.25/283,591.50 = 124,907.70/x
  3. Step 3: Cross multiply
    205,493.25x = 283,591.50 × 124,907.70
  4. Step 4: Simplify right side
    205,493.25x = 35,422,762,004.55
  5. Step 5: Solve for x
    x = 35,422,762,004.55/205,493.25
  6. Step 6: Final answer
    x = 172,379.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.