Home / 195,975.38-293,982.51-77,728.34

Finding the Fourth Proportional to 195,975.38, 293,982.51 and 77,728.34

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Solution

The fourth proportional to 195,975.38, 293,982.51 and 77,728.34 is: 116,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,975.38 : 293,982.51 = 77,728.34 : x
  2. Step 2: Convert to fraction form
    195,975.38/293,982.51 = 77,728.34/x
  3. Step 3: Cross multiply
    195,975.38x = 293,982.51 × 77,728.34
  4. Step 4: Simplify right side
    195,975.38x = 22,850,772,491.33
  5. Step 5: Solve for x
    x = 22,850,772,491.33/195,975.38
  6. Step 6: Final answer
    x = 116,600.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.