Home / 232,821.39-321,381.30-136,056.67

Finding the Fourth Proportional to 232,821.39, 321,381.30 and 136,056.67

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Solution

The fourth proportional to 232,821.39, 321,381.30 and 136,056.67 is: 187,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,821.39 : 321,381.30 = 136,056.67 : x
  2. Step 2: Convert to fraction form
    232,821.39/321,381.30 = 136,056.67/x
  3. Step 3: Cross multiply
    232,821.39x = 321,381.30 × 136,056.67
  4. Step 4: Simplify right side
    232,821.39x = 43,726,067,191.08
  5. Step 5: Solve for x
    x = 43,726,067,191.08/232,821.39
  6. Step 6: Final answer
    x = 187,809.49

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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.