Home / 352,619.88-529,139.88-127,997.79

Finding the Fourth Proportional to 352,619.88, 529,139.88 and 127,997.79

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Solution

The fourth proportional to 352,619.88, 529,139.88 and 127,997.79 is: 192,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,619.88 : 529,139.88 = 127,997.79 : x
  2. Step 2: Convert to fraction form
    352,619.88/529,139.88 = 127,997.79/x
  3. Step 3: Cross multiply
    352,619.88x = 529,139.88 × 127,997.79
  4. Step 4: Simplify right side
    352,619.88x = 67,728,735,240.87
  5. Step 5: Solve for x
    x = 67,728,735,240.87/352,619.88
  6. Step 6: Final answer
    x = 192,072.93

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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.