Home / 129,829.84-179,166.92-73,241.04

Finding the Fourth Proportional to 129,829.84, 179,166.92 and 73,241.04

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Solution

The fourth proportional to 129,829.84, 179,166.92 and 73,241.04 is: 101,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,829.84 : 179,166.92 = 73,241.04 : x
  2. Step 2: Convert to fraction form
    129,829.84/179,166.92 = 73,241.04/x
  3. Step 3: Cross multiply
    129,829.84x = 179,166.92 × 73,241.04
  4. Step 4: Simplify right side
    129,829.84x = 13,122,371,554.40
  5. Step 5: Solve for x
    x = 13,122,371,554.40/129,829.84
  6. Step 6: Final answer
    x = 101,073.62

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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.