Home / 236,892.24-355,323.78-79,107.48

Finding the Fourth Proportional to 236,892.24, 355,323.78 and 79,107.48

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Solution

The fourth proportional to 236,892.24, 355,323.78 and 79,107.48 is: 118,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,892.24 : 355,323.78 = 79,107.48 : x
  2. Step 2: Convert to fraction form
    236,892.24/355,323.78 = 79,107.48/x
  3. Step 3: Cross multiply
    236,892.24x = 355,323.78 × 79,107.48
  4. Step 4: Simplify right side
    236,892.24x = 28,108,768,819.87
  5. Step 5: Solve for x
    x = 28,108,768,819.87/236,892.24
  6. Step 6: Final answer
    x = 118,656.35

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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.