Home / 140,603.64-194,033.03-76,941.44

Finding the Fourth Proportional to 140,603.64, 194,033.03 and 76,941.44

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Solution

The fourth proportional to 140,603.64, 194,033.03 and 76,941.44 is: 106,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.64 : 194,033.03 = 76,941.44 : x
  2. Step 2: Convert to fraction form
    140,603.64/194,033.03 = 76,941.44/x
  3. Step 3: Cross multiply
    140,603.64x = 194,033.03 × 76,941.44
  4. Step 4: Simplify right side
    140,603.64x = 14,929,180,735.76
  5. Step 5: Solve for x
    x = 14,929,180,735.76/140,603.64
  6. Step 6: Final answer
    x = 106,179.19

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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.