Home / 352,093.20-528,295.32-142,141.20

Finding the Fourth Proportional to 352,093.20, 528,295.32 and 142,141.20

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Solution

The fourth proportional to 352,093.20, 528,295.32 and 142,141.20 is: 213,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,093.20 : 528,295.32 = 142,141.20 : x
  2. Step 2: Convert to fraction form
    352,093.20/528,295.32 = 142,141.20/x
  3. Step 3: Cross multiply
    352,093.20x = 528,295.32 × 142,141.20
  4. Step 4: Simplify right side
    352,093.20x = 75,092,530,739.18
  5. Step 5: Solve for x
    x = 75,092,530,739.18/352,093.20
  6. Step 6: Final answer
    x = 213,274.58

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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.