Home / 146,786.35-202,561.71-86,360.87

Finding the Fourth Proportional to 146,786.35, 202,561.71 and 86,360.87

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Solution

The fourth proportional to 146,786.35, 202,561.71 and 86,360.87 is: 119,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,786.35 : 202,561.71 = 86,360.87 : x
  2. Step 2: Convert to fraction form
    146,786.35/202,561.71 = 86,360.87/x
  3. Step 3: Cross multiply
    146,786.35x = 202,561.71 × 86,360.87
  4. Step 4: Simplify right side
    146,786.35x = 17,493,405,504.29
  5. Step 5: Solve for x
    x = 17,493,405,504.29/146,786.35
  6. Step 6: Final answer
    x = 119,175.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.