Home / 121,526.33-167,736.39-73,819.65

Finding the Fourth Proportional to 121,526.33, 167,736.39 and 73,819.65

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Solution

The fourth proportional to 121,526.33, 167,736.39 and 73,819.65 is: 101,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,526.33 : 167,736.39 = 73,819.65 : x
  2. Step 2: Convert to fraction form
    121,526.33/167,736.39 = 73,819.65/x
  3. Step 3: Cross multiply
    121,526.33x = 167,736.39 × 73,819.65
  4. Step 4: Simplify right side
    121,526.33x = 12,382,241,954.25
  5. Step 5: Solve for x
    x = 12,382,241,954.25/121,526.33
  6. Step 6: Final answer
    x = 101,889.38

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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.