Home / 344,144.90-475,092.64-215,155.04

Finding the Fourth Proportional to 344,144.90, 475,092.64 and 215,155.04

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Solution

The fourth proportional to 344,144.90, 475,092.64 and 215,155.04 is: 297,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,144.90 : 475,092.64 = 215,155.04 : x
  2. Step 2: Convert to fraction form
    344,144.90/475,092.64 = 215,155.04/x
  3. Step 3: Cross multiply
    344,144.90x = 475,092.64 × 215,155.04
  4. Step 4: Simplify right side
    344,144.90x = 102,218,573,856.39
  5. Step 5: Solve for x
    x = 102,218,573,856.39/344,144.90
  6. Step 6: Final answer
    x = 297,021.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.