Home / 201,278.45-301,801.02-82,815.95

Finding the Fourth Proportional to 201,278.45, 301,801.02 and 82,815.95

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Solution

The fourth proportional to 201,278.45, 301,801.02 and 82,815.95 is: 124,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,278.45 : 301,801.02 = 82,815.95 : x
  2. Step 2: Convert to fraction form
    201,278.45/301,801.02 = 82,815.95/x
  3. Step 3: Cross multiply
    201,278.45x = 301,801.02 × 82,815.95
  4. Step 4: Simplify right side
    201,278.45x = 24,993,936,673.26
  5. Step 5: Solve for x
    x = 24,993,936,673.26/201,278.45
  6. Step 6: Final answer
    x = 124,175.92

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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.