Home / 136,198.36-204,253.55-49,631.87

Finding the Fourth Proportional to 136,198.36, 204,253.55 and 49,631.87

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Solution

The fourth proportional to 136,198.36, 204,253.55 and 49,631.87 is: 74,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,198.36 : 204,253.55 = 49,631.87 : x
  2. Step 2: Convert to fraction form
    136,198.36/204,253.55 = 49,631.87/x
  3. Step 3: Cross multiply
    136,198.36x = 204,253.55 × 49,631.87
  4. Step 4: Simplify right side
    136,198.36x = 10,137,486,089.23
  5. Step 5: Solve for x
    x = 10,137,486,089.23/136,198.36
  6. Step 6: Final answer
    x = 74,431.78

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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.