Home / 236,819.28-326,800.89-129,393

Finding the Fourth Proportional to 236,819.28, 326,800.89 and 129,393

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Solution

The fourth proportional to 236,819.28, 326,800.89 and 129,393 is: 178,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,819.28 : 326,800.89 = 129,393 : x
  2. Step 2: Convert to fraction form
    236,819.28/326,800.89 = 129,393/x
  3. Step 3: Cross multiply
    236,819.28x = 326,800.89 × 129,393
  4. Step 4: Simplify right side
    236,819.28x = 42,285,747,559.77
  5. Step 5: Solve for x
    x = 42,285,747,559.77/236,819.28
  6. Step 6: Final answer
    x = 178,557.03

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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.