Home / 146,836.64-220,225.80-71,924.60

Finding the Fourth Proportional to 146,836.64, 220,225.80 and 71,924.60

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Solution

The fourth proportional to 146,836.64, 220,225.80 and 71,924.60 is: 107,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,836.64 : 220,225.80 = 71,924.60 : x
  2. Step 2: Convert to fraction form
    146,836.64/220,225.80 = 71,924.60/x
  3. Step 3: Cross multiply
    146,836.64x = 220,225.80 × 71,924.60
  4. Step 4: Simplify right side
    146,836.64x = 15,839,652,574.68
  5. Step 5: Solve for x
    x = 15,839,652,574.68/146,836.64
  6. Step 6: Final answer
    x = 107,872.62

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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.