Home / 150,679.54-207,886.13-86,102.38

Finding the Fourth Proportional to 150,679.54, 207,886.13 and 86,102.38

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Solution

The fourth proportional to 150,679.54, 207,886.13 and 86,102.38 is: 118,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,679.54 : 207,886.13 = 86,102.38 : x
  2. Step 2: Convert to fraction form
    150,679.54/207,886.13 = 86,102.38/x
  3. Step 3: Cross multiply
    150,679.54x = 207,886.13 × 86,102.38
  4. Step 4: Simplify right side
    150,679.54x = 17,899,489,522.56
  5. Step 5: Solve for x
    x = 17,899,489,522.56/150,679.54
  6. Step 6: Final answer
    x = 118,791.78

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1.5x scale

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.