Home / 234,761.16-323,961.66-139,210.68

Finding the Fourth Proportional to 234,761.16, 323,961.66 and 139,210.68

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Solution

The fourth proportional to 234,761.16, 323,961.66 and 139,210.68 is: 192,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,761.16 : 323,961.66 = 139,210.68 : x
  2. Step 2: Convert to fraction form
    234,761.16/323,961.66 = 139,210.68/x
  3. Step 3: Cross multiply
    234,761.16x = 323,961.66 × 139,210.68
  4. Step 4: Simplify right side
    234,761.16x = 45,098,922,982.53
  5. Step 5: Solve for x
    x = 45,098,922,982.53/234,761.16
  6. Step 6: Final answer
    x = 192,105.56

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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.