Home / 234,137.43-323,109.63-126,707.45

Finding the Fourth Proportional to 234,137.43, 323,109.63 and 126,707.45

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Solution

The fourth proportional to 234,137.43, 323,109.63 and 126,707.45 is: 174,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,137.43 : 323,109.63 = 126,707.45 : x
  2. Step 2: Convert to fraction form
    234,137.43/323,109.63 = 126,707.45/x
  3. Step 3: Cross multiply
    234,137.43x = 323,109.63 × 126,707.45
  4. Step 4: Simplify right side
    234,137.43x = 40,940,395,672.20
  5. Step 5: Solve for x
    x = 40,940,395,672.20/234,137.43
  6. Step 6: Final answer
    x = 174,856.26

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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.