Home / 106,515.16-159,778.74-27,627.28

Finding the Fourth Proportional to 106,515.16, 159,778.74 and 27,627.28

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Solution

The fourth proportional to 106,515.16, 159,778.74 and 27,627.28 is: 41,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,515.16 : 159,778.74 = 27,627.28 : x
  2. Step 2: Convert to fraction form
    106,515.16/159,778.74 = 27,627.28/x
  3. Step 3: Cross multiply
    106,515.16x = 159,778.74 × 27,627.28
  4. Step 4: Simplify right side
    106,515.16x = 4,414,251,988.03
  5. Step 5: Solve for x
    x = 4,414,251,988.03/106,515.16
  6. Step 6: Final answer
    x = 41,442.48

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1.5x scale

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.