Home / 146,720.48-220,206.44-145,616.04

Finding the Fourth Proportional to 146,720.48, 220,206.44 and 145,616.04

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Solution

The fourth proportional to 146,720.48, 220,206.44 and 145,616.04 is: 218,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,720.48 : 220,206.44 = 145,616.04 : x
  2. Step 2: Convert to fraction form
    146,720.48/220,206.44 = 145,616.04/x
  3. Step 3: Cross multiply
    146,720.48x = 220,206.44 × 145,616.04
  4. Step 4: Simplify right side
    146,720.48x = 32,065,589,775.30
  5. Step 5: Solve for x
    x = 32,065,589,775.30/146,720.48
  6. Step 6: Final answer
    x = 218,548.83

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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.