Home / 146,718.71-220,159.83-79,249.38

Finding the Fourth Proportional to 146,718.71, 220,159.83 and 79,249.38

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Solution

The fourth proportional to 146,718.71, 220,159.83 and 79,249.38 is: 118,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,718.71 : 220,159.83 = 79,249.38 : x
  2. Step 2: Convert to fraction form
    146,718.71/220,159.83 = 79,249.38/x
  3. Step 3: Cross multiply
    146,718.71x = 220,159.83 × 79,249.38
  4. Step 4: Simplify right side
    146,718.71x = 17,447,530,028.41
  5. Step 5: Solve for x
    x = 17,447,530,028.41/146,718.71
  6. Step 6: Final answer
    x = 118,918.24

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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.