Home / 140,603.84-194,033.31-76,941.64

Finding the Fourth Proportional to 140,603.84, 194,033.31 and 76,941.64

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Solution

The fourth proportional to 140,603.84, 194,033.31 and 76,941.64 is: 106,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.84 : 194,033.31 = 76,941.64 : x
  2. Step 2: Convert to fraction form
    140,603.84/194,033.31 = 76,941.64/x
  3. Step 3: Cross multiply
    140,603.84x = 194,033.31 × 76,941.64
  4. Step 4: Simplify right side
    140,603.84x = 14,929,241,086.03
  5. Step 5: Solve for x
    x = 14,929,241,086.03/140,603.84
  6. Step 6: Final answer
    x = 106,179.47

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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.