Home / 404,251.82-606,438.28-130,606.58

Finding the Fourth Proportional to 404,251.82, 606,438.28 and 130,606.58

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Solution

The fourth proportional to 404,251.82, 606,438.28 and 130,606.58 is: 195,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,251.82 : 606,438.28 = 130,606.58 : x
  2. Step 2: Convert to fraction form
    404,251.82/606,438.28 = 130,606.58/x
  3. Step 3: Cross multiply
    404,251.82x = 606,438.28 × 130,606.58
  4. Step 4: Simplify right side
    404,251.82x = 79,204,829,731.88
  5. Step 5: Solve for x
    x = 79,204,829,731.88/404,251.82
  6. Step 6: Final answer
    x = 195,929.43

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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.