Home / 105,914.25-146,174.63-61,202.25

Finding the Fourth Proportional to 105,914.25, 146,174.63 and 61,202.25

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Solution

The fourth proportional to 105,914.25, 146,174.63 and 61,202.25 is: 84,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.25 : 146,174.63 = 61,202.25 : x
  2. Step 2: Convert to fraction form
    105,914.25/146,174.63 = 61,202.25/x
  3. Step 3: Cross multiply
    105,914.25x = 146,174.63 × 61,202.25
  4. Step 4: Simplify right side
    105,914.25x = 8,946,215,942.91
  5. Step 5: Solve for x
    x = 8,946,215,942.91/105,914.25
  6. Step 6: Final answer
    x = 84,466.59

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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.