Home / 148,615.20-205,084.44-106,244.64

Finding the Fourth Proportional to 148,615.20, 205,084.44 and 106,244.64

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Solution

The fourth proportional to 148,615.20, 205,084.44 and 106,244.64 is: 146,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,615.20 : 205,084.44 = 106,244.64 : x
  2. Step 2: Convert to fraction form
    148,615.20/205,084.44 = 106,244.64/x
  3. Step 3: Cross multiply
    148,615.20x = 205,084.44 × 106,244.64
  4. Step 4: Simplify right side
    148,615.20x = 21,789,122,497.40
  5. Step 5: Solve for x
    x = 21,789,122,497.40/148,615.20
  6. Step 6: Final answer
    x = 146,614.36

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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.