Home / 348,196.47-521,622.18-256,850.94

Finding the Fourth Proportional to 348,196.47, 521,622.18 and 256,850.94

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Solution

The fourth proportional to 348,196.47, 521,622.18 and 256,850.94 is: 384,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,196.47 : 521,622.18 = 256,850.94 : x
  2. Step 2: Convert to fraction form
    348,196.47/521,622.18 = 256,850.94/x
  3. Step 3: Cross multiply
    348,196.47x = 521,622.18 × 256,850.94
  4. Step 4: Simplify right side
    348,196.47x = 133,979,147,257.85
  5. Step 5: Solve for x
    x = 133,979,147,257.85/348,196.47
  6. Step 6: Final answer
    x = 384,780.31

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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.