Home / 121,292.30-181,973.54-50,201.80

Finding the Fourth Proportional to 121,292.30, 181,973.54 and 50,201.80

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Solution

The fourth proportional to 121,292.30, 181,973.54 and 50,201.80 is: 75,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292.30 : 181,973.54 = 50,201.80 : x
  2. Step 2: Convert to fraction form
    121,292.30/181,973.54 = 50,201.80/x
  3. Step 3: Cross multiply
    121,292.30x = 181,973.54 × 50,201.80
  4. Step 4: Simplify right side
    121,292.30x = 9,135,398,930.94
  5. Step 5: Solve for x
    x = 9,135,398,930.94/121,292.30
  6. Step 6: Final answer
    x = 75,317.22

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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.