Home / 136,193.28-187,963.34-82,497.04

Finding the Fourth Proportional to 136,193.28, 187,963.34 and 82,497.04

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Solution

The fourth proportional to 136,193.28, 187,963.34 and 82,497.04 is: 113,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,193.28 : 187,963.34 = 82,497.04 : x
  2. Step 2: Convert to fraction form
    136,193.28/187,963.34 = 82,497.04/x
  3. Step 3: Cross multiply
    136,193.28x = 187,963.34 × 82,497.04
  4. Step 4: Simplify right side
    136,193.28x = 15,506,419,178.51
  5. Step 5: Solve for x
    x = 15,506,419,178.51/136,193.28
  6. Step 6: Final answer
    x = 113,855.98

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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.