Home / 348,511.68-522,815.94-111,926.88

Finding the Fourth Proportional to 348,511.68, 522,815.94 and 111,926.88

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Solution

The fourth proportional to 348,511.68, 522,815.94 and 111,926.88 is: 167,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,511.68 : 522,815.94 = 111,926.88 : x
  2. Step 2: Convert to fraction form
    348,511.68/522,815.94 = 111,926.88/x
  3. Step 3: Cross multiply
    348,511.68x = 522,815.94 × 111,926.88
  4. Step 4: Simplify right side
    348,511.68x = 58,517,156,978.47
  5. Step 5: Solve for x
    x = 58,517,156,978.47/348,511.68
  6. Step 6: Final answer
    x = 167,905.87

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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.