Home / 232,821.97-321,320.96-129,466.49

Finding the Fourth Proportional to 232,821.97, 321,320.96 and 129,466.49

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Solution

The fourth proportional to 232,821.97, 321,320.96 and 129,466.49 is: 178,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,821.97 : 321,320.96 = 129,466.49 : x
  2. Step 2: Convert to fraction form
    232,821.97/321,320.96 = 129,466.49/x
  3. Step 3: Cross multiply
    232,821.97x = 321,320.96 × 129,466.49
  4. Step 4: Simplify right side
    232,821.97x = 41,600,295,571.69
  5. Step 5: Solve for x
    x = 41,600,295,571.69/232,821.97
  6. Step 6: Final answer
    x = 178,678.57

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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.