Home / 136,115.38-204,156.87-36,283.06

Finding the Fourth Proportional to 136,115.38, 204,156.87 and 36,283.06

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Solution

The fourth proportional to 136,115.38, 204,156.87 and 36,283.06 is: 54,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,115.38 : 204,156.87 = 36,283.06 : x
  2. Step 2: Convert to fraction form
    136,115.38/204,156.87 = 36,283.06/x
  3. Step 3: Cross multiply
    136,115.38x = 204,156.87 × 36,283.06
  4. Step 4: Simplify right side
    136,115.38x = 7,407,435,963.62
  5. Step 5: Solve for x
    x = 7,407,435,963.62/136,115.38
  6. Step 6: Final answer
    x = 54,420.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.