Home / 163,815.62-226,028.16-92,169.50

Finding the Fourth Proportional to 163,815.62, 226,028.16 and 92,169.50

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Solution

The fourth proportional to 163,815.62, 226,028.16 and 92,169.50 is: 127,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,815.62 : 226,028.16 = 92,169.50 : x
  2. Step 2: Convert to fraction form
    163,815.62/226,028.16 = 92,169.50/x
  3. Step 3: Cross multiply
    163,815.62x = 226,028.16 × 92,169.50
  4. Step 4: Simplify right side
    163,815.62x = 20,832,902,032.27
  5. Step 5: Solve for x
    x = 20,832,902,032.27/163,815.62
  6. Step 6: Final answer
    x = 127,172.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.