Home / 106,147.38-159,171.87-39,569.64

Finding the Fourth Proportional to 106,147.38, 159,171.87 and 39,569.64

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Solution

The fourth proportional to 106,147.38, 159,171.87 and 39,569.64 is: 59,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,147.38 : 159,171.87 = 39,569.64 : x
  2. Step 2: Convert to fraction form
    106,147.38/159,171.87 = 39,569.64/x
  3. Step 3: Cross multiply
    106,147.38x = 159,171.87 × 39,569.64
  4. Step 4: Simplify right side
    106,147.38x = 6,298,373,594.03
  5. Step 5: Solve for x
    x = 6,298,373,594.03/106,147.38
  6. Step 6: Final answer
    x = 59,336.12

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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.