Home / 136,029.85-187,692.19-82,304.17

Finding the Fourth Proportional to 136,029.85, 187,692.19 and 82,304.17

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Solution

The fourth proportional to 136,029.85, 187,692.19 and 82,304.17 is: 113,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,029.85 : 187,692.19 = 82,304.17 : x
  2. Step 2: Convert to fraction form
    136,029.85/187,692.19 = 82,304.17/x
  3. Step 3: Cross multiply
    136,029.85x = 187,692.19 × 82,304.17
  4. Step 4: Simplify right side
    136,029.85x = 15,447,849,913.43
  5. Step 5: Solve for x
    x = 15,447,849,913.43/136,029.85
  6. Step 6: Final answer
    x = 113,562.21

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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.