Home / 236,230.83-353,945.30-142,539.75

Finding the Fourth Proportional to 236,230.83, 353,945.30 and 142,539.75

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Solution

The fourth proportional to 236,230.83, 353,945.30 and 142,539.75 is: 213,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,230.83 : 353,945.30 = 142,539.75 : x
  2. Step 2: Convert to fraction form
    236,230.83/353,945.30 = 142,539.75/x
  3. Step 3: Cross multiply
    236,230.83x = 353,945.30 × 142,539.75
  4. Step 4: Simplify right side
    236,230.83x = 50,451,273,862.98
  5. Step 5: Solve for x
    x = 50,451,273,862.98/236,230.83
  6. Step 6: Final answer
    x = 213,567.70

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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.