Home / 192,786.02-266,141.26-121,205.51

Finding the Fourth Proportional to 192,786.02, 266,141.26 and 121,205.51

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Solution

The fourth proportional to 192,786.02, 266,141.26 and 121,205.51 is: 167,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,786.02 : 266,141.26 = 121,205.51 : x
  2. Step 2: Convert to fraction form
    192,786.02/266,141.26 = 121,205.51/x
  3. Step 3: Cross multiply
    192,786.02x = 266,141.26 × 121,205.51
  4. Step 4: Simplify right side
    192,786.02x = 32,257,787,150.34
  5. Step 5: Solve for x
    x = 32,257,787,150.34/192,786.02
  6. Step 6: Final answer
    x = 167,324.31

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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.