Home / 116,920.89-161,349.81-63,205.44

Finding the Fourth Proportional to 116,920.89, 161,349.81 and 63,205.44

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Solution

The fourth proportional to 116,920.89, 161,349.81 and 63,205.44 is: 87,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,920.89 : 161,349.81 = 63,205.44 : x
  2. Step 2: Convert to fraction form
    116,920.89/161,349.81 = 63,205.44/x
  3. Step 3: Cross multiply
    116,920.89x = 161,349.81 × 63,205.44
  4. Step 4: Simplify right side
    116,920.89x = 10,198,185,734.97
  5. Step 5: Solve for x
    x = 10,198,185,734.97/116,920.89
  6. Step 6: Final answer
    x = 87,222.96

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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.