Home / 355,936.38-533,794.55-103,235.47

Finding the Fourth Proportional to 355,936.38, 533,794.55 and 103,235.47

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Solution

The fourth proportional to 355,936.38, 533,794.55 and 103,235.47 is: 154,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,936.38 : 533,794.55 = 103,235.47 : x
  2. Step 2: Convert to fraction form
    355,936.38/533,794.55 = 103,235.47/x
  3. Step 3: Cross multiply
    355,936.38x = 533,794.55 × 103,235.47
  4. Step 4: Simplify right side
    355,936.38x = 55,106,531,252.69
  5. Step 5: Solve for x
    x = 55,106,531,252.69/355,936.38
  6. Step 6: Final answer
    x = 154,821.29

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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.