Home / 146,736.64-220,075.80-71,824.60

Finding the Fourth Proportional to 146,736.64, 220,075.80 and 71,824.60

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Solution

The fourth proportional to 146,736.64, 220,075.80 and 71,824.60 is: 107,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,736.64 : 220,075.80 = 71,824.60 : x
  2. Step 2: Convert to fraction form
    146,736.64/220,075.80 = 71,824.60/x
  3. Step 3: Cross multiply
    146,736.64x = 220,075.80 × 71,824.60
  4. Step 4: Simplify right side
    146,736.64x = 15,806,856,304.68
  5. Step 5: Solve for x
    x = 15,806,856,304.68/146,736.64
  6. Step 6: Final answer
    x = 107,722.63

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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.