Home / 106,815.78-160,232.81-27,929.88

Finding the Fourth Proportional to 106,815.78, 160,232.81 and 27,929.88

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Solution

The fourth proportional to 106,815.78, 160,232.81 and 27,929.88 is: 41,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.78 : 160,232.81 = 27,929.88 : x
  2. Step 2: Convert to fraction form
    106,815.78/160,232.81 = 27,929.88/x
  3. Step 3: Cross multiply
    106,815.78x = 160,232.81 × 27,929.88
  4. Step 4: Simplify right side
    106,815.78x = 4,475,283,155.36
  5. Step 5: Solve for x
    x = 4,475,283,155.36/106,815.78
  6. Step 6: Final answer
    x = 41,897.21

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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.