Home / 234,538.20-323,599.86-138,965.76

Finding the Fourth Proportional to 234,538.20, 323,599.86 and 138,965.76

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Solution

The fourth proportional to 234,538.20, 323,599.86 and 138,965.76 is: 191,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,538.20 : 323,599.86 = 138,965.76 : x
  2. Step 2: Convert to fraction form
    234,538.20/323,599.86 = 138,965.76/x
  3. Step 3: Cross multiply
    234,538.20x = 323,599.86 × 138,965.76
  4. Step 4: Simplify right side
    234,538.20x = 44,969,300,480.79
  5. Step 5: Solve for x
    x = 44,969,300,480.79/234,538.20
  6. Step 6: Final answer
    x = 191,735.51

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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.