Home / 199,122.76-297,982.27-124,277.95

Finding the Fourth Proportional to 199,122.76, 297,982.27 and 124,277.95

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Solution

The fourth proportional to 199,122.76, 297,982.27 and 124,277.95 is: 185,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,122.76 : 297,982.27 = 124,277.95 : x
  2. Step 2: Convert to fraction form
    199,122.76/297,982.27 = 124,277.95/x
  3. Step 3: Cross multiply
    199,122.76x = 297,982.27 × 124,277.95
  4. Step 4: Simplify right side
    199,122.76x = 37,032,625,651.95
  5. Step 5: Solve for x
    x = 37,032,625,651.95/199,122.76
  6. Step 6: Final answer
    x = 185,978.87

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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.