Home / 133,185.62-199,712.36-48,942.38

Finding the Fourth Proportional to 133,185.62, 199,712.36 and 48,942.38

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Solution

The fourth proportional to 133,185.62, 199,712.36 and 48,942.38 is: 73,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,185.62 : 199,712.36 = 48,942.38 : x
  2. Step 2: Convert to fraction form
    133,185.62/199,712.36 = 48,942.38/x
  3. Step 3: Cross multiply
    133,185.62x = 199,712.36 × 48,942.38
  4. Step 4: Simplify right side
    133,185.62x = 9,774,398,213.82
  5. Step 5: Solve for x
    x = 9,774,398,213.82/133,185.62
  6. Step 6: Final answer
    x = 73,389.29

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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.