Home / 146,828.70-220,300.65-53,343.90

Finding the Fourth Proportional to 146,828.70, 220,300.65 and 53,343.90

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Solution

The fourth proportional to 146,828.70, 220,300.65 and 53,343.90 is: 80,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,828.70 : 220,300.65 = 53,343.90 : x
  2. Step 2: Convert to fraction form
    146,828.70/220,300.65 = 53,343.90/x
  3. Step 3: Cross multiply
    146,828.70x = 220,300.65 × 53,343.90
  4. Step 4: Simplify right side
    146,828.70x = 11,751,695,843.54
  5. Step 5: Solve for x
    x = 11,751,695,843.54/146,828.70
  6. Step 6: Final answer
    x = 80,036.78

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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.