Home / 136,584.56-204,876.60-53,420.24

Finding the Fourth Proportional to 136,584.56, 204,876.60 and 53,420.24

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Solution

The fourth proportional to 136,584.56, 204,876.60 and 53,420.24 is: 80,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,584.56 : 204,876.60 = 53,420.24 : x
  2. Step 2: Convert to fraction form
    136,584.56/204,876.60 = 53,420.24/x
  3. Step 3: Cross multiply
    136,584.56x = 204,876.60 × 53,420.24
  4. Step 4: Simplify right side
    136,584.56x = 10,944,557,142.38
  5. Step 5: Solve for x
    x = 10,944,557,142.38/136,584.56
  6. Step 6: Final answer
    x = 80,130.27

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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.