Home / 232,742.81-321,185.39-132,140.81

Finding the Fourth Proportional to 232,742.81, 321,185.39 and 132,140.81

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Solution

The fourth proportional to 232,742.81, 321,185.39 and 132,140.81 is: 182,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,742.81 : 321,185.39 = 132,140.81 : x
  2. Step 2: Convert to fraction form
    232,742.81/321,185.39 = 132,140.81/x
  3. Step 3: Cross multiply
    232,742.81x = 321,185.39 × 132,140.81
  4. Step 4: Simplify right side
    232,742.81x = 42,441,697,737.03
  5. Step 5: Solve for x
    x = 42,441,697,737.03/232,742.81
  6. Step 6: Final answer
    x = 182,354.49

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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.