Home / 234,724.16-323,910.60-139,173.68

Finding the Fourth Proportional to 234,724.16, 323,910.60 and 139,173.68

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Solution

The fourth proportional to 234,724.16, 323,910.60 and 139,173.68 is: 192,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,724.16 : 323,910.60 = 139,173.68 : x
  2. Step 2: Convert to fraction form
    234,724.16/323,910.60 = 139,173.68/x
  3. Step 3: Cross multiply
    234,724.16x = 323,910.60 × 139,173.68
  4. Step 4: Simplify right side
    234,724.16x = 45,079,829,497.14
  5. Step 5: Solve for x
    x = 45,079,829,497.14/234,724.16
  6. Step 6: Final answer
    x = 192,054.49

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1.5x scale

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.