Home / 151,535.55-227,282.09-80,426.91

Finding the Fourth Proportional to 151,535.55, 227,282.09 and 80,426.91

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Solution

The fourth proportional to 151,535.55, 227,282.09 and 80,426.91 is: 120,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,535.55 : 227,282.09 = 80,426.91 : x
  2. Step 2: Convert to fraction form
    151,535.55/227,282.09 = 80,426.91/x
  3. Step 3: Cross multiply
    151,535.55x = 227,282.09 × 80,426.91
  4. Step 4: Simplify right side
    151,535.55x = 18,279,595,794.91
  5. Step 5: Solve for x
    x = 18,279,595,794.91/151,535.55
  6. Step 6: Final answer
    x = 120,629.09

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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.