Home / 136,516.38-204,760.73-36,663.60

Finding the Fourth Proportional to 136,516.38, 204,760.73 and 36,663.60

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Solution

The fourth proportional to 136,516.38, 204,760.73 and 36,663.60 is: 54,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,516.38 : 204,760.73 = 36,663.60 : x
  2. Step 2: Convert to fraction form
    136,516.38/204,760.73 = 36,663.60/x
  3. Step 3: Cross multiply
    136,516.38x = 204,760.73 × 36,663.60
  4. Step 4: Simplify right side
    136,516.38x = 7,507,264,293.31
  5. Step 5: Solve for x
    x = 7,507,264,293.31/136,516.38
  6. Step 6: Final answer
    x = 54,991.68

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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.