Home / 146,808.37-220,264.80-90,583.03

Finding the Fourth Proportional to 146,808.37, 220,264.80 and 90,583.03

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Solution

The fourth proportional to 146,808.37, 220,264.80 and 90,583.03 is: 135,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,808.37 : 220,264.80 = 90,583.03 : x
  2. Step 2: Convert to fraction form
    146,808.37/220,264.80 = 90,583.03/x
  3. Step 3: Cross multiply
    146,808.37x = 220,264.80 × 90,583.03
  4. Step 4: Simplify right side
    146,808.37x = 19,952,252,986.34
  5. Step 5: Solve for x
    x = 19,952,252,986.34/146,808.37
  6. Step 6: Final answer
    x = 135,906.78

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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.