Home / 348,201.39-522,377.28-108,310.72

Finding the Fourth Proportional to 348,201.39, 522,377.28 and 108,310.72

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Solution

The fourth proportional to 348,201.39, 522,377.28 and 108,310.72 is: 162,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,201.39 : 522,377.28 = 108,310.72 : x
  2. Step 2: Convert to fraction form
    348,201.39/522,377.28 = 108,310.72/x
  3. Step 3: Cross multiply
    348,201.39x = 522,377.28 × 108,310.72
  4. Step 4: Simplify right side
    348,201.39x = 56,579,059,308.44
  5. Step 5: Solve for x
    x = 56,579,059,308.44/348,201.39
  6. Step 6: Final answer
    x = 162,489.47

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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.