Home / 106,815.25-160,173.56-39,330.33

Finding the Fourth Proportional to 106,815.25, 160,173.56 and 39,330.33

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Solution

The fourth proportional to 106,815.25, 160,173.56 and 39,330.33 is: 58,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.25 : 160,173.56 = 39,330.33 : x
  2. Step 2: Convert to fraction form
    106,815.25/160,173.56 = 39,330.33/x
  3. Step 3: Cross multiply
    106,815.25x = 160,173.56 × 39,330.33
  4. Step 4: Simplify right side
    106,815.25x = 6,299,678,972.07
  5. Step 5: Solve for x
    x = 6,299,678,972.07/106,815.25
  6. Step 6: Final answer
    x = 58,977.34

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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.