Home / 146,911.19-220,429.04-80,273.46

Finding the Fourth Proportional to 146,911.19, 220,429.04 and 80,273.46

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Solution

The fourth proportional to 146,911.19, 220,429.04 and 80,273.46 is: 120,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,911.19 : 220,429.04 = 80,273.46 : x
  2. Step 2: Convert to fraction form
    146,911.19/220,429.04 = 80,273.46/x
  3. Step 3: Cross multiply
    146,911.19x = 220,429.04 × 80,273.46
  4. Step 4: Simplify right side
    146,911.19x = 17,694,601,323.91
  5. Step 5: Solve for x
    x = 17,694,601,323.91/146,911.19
  6. Step 6: Final answer
    x = 120,444.21

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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.