Home / 146,555.72-219,859.91-51,840.80

Finding the Fourth Proportional to 146,555.72, 219,859.91 and 51,840.80

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Solution

The fourth proportional to 146,555.72, 219,859.91 and 51,840.80 is: 77,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,555.72 : 219,859.91 = 51,840.80 : x
  2. Step 2: Convert to fraction form
    146,555.72/219,859.91 = 51,840.80/x
  3. Step 3: Cross multiply
    146,555.72x = 219,859.91 × 51,840.80
  4. Step 4: Simplify right side
    146,555.72x = 11,397,714,301.58
  5. Step 5: Solve for x
    x = 11,397,714,301.58/146,555.72
  6. Step 6: Final answer
    x = 77,770.52

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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.