Home / 106,146.48-159,219.71-27,260.78

Finding the Fourth Proportional to 106,146.48, 159,219.71 and 27,260.78

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Solution

The fourth proportional to 106,146.48, 159,219.71 and 27,260.78 is: 40,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.48 : 159,219.71 = 27,260.78 : x
  2. Step 2: Convert to fraction form
    106,146.48/159,219.71 = 27,260.78/x
  3. Step 3: Cross multiply
    106,146.48x = 159,219.71 × 27,260.78
  4. Step 4: Simplify right side
    106,146.48x = 4,340,453,218.61
  5. Step 5: Solve for x
    x = 4,340,453,218.61/106,146.48
  6. Step 6: Final answer
    x = 40,891.17

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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.