Home / 201,205.41-301,761.24-74,905.12

Finding the Fourth Proportional to 201,205.41, 301,761.24 and 74,905.12

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Solution

The fourth proportional to 201,205.41, 301,761.24 and 74,905.12 is: 112,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205.41 : 301,761.24 = 74,905.12 : x
  2. Step 2: Convert to fraction form
    201,205.41/301,761.24 = 74,905.12/x
  3. Step 3: Cross multiply
    201,205.41x = 301,761.24 × 74,905.12
  4. Step 4: Simplify right side
    201,205.41x = 22,603,461,893.55
  5. Step 5: Solve for x
    x = 22,603,461,893.55/201,205.41
  6. Step 6: Final answer
    x = 112,340.23

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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.