Home / 121,441.73-182,118.83-51,326.51

Finding the Fourth Proportional to 121,441.73, 182,118.83 and 51,326.51

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Solution

The fourth proportional to 121,441.73, 182,118.83 and 51,326.51 is: 76,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,441.73 : 182,118.83 = 51,326.51 : x
  2. Step 2: Convert to fraction form
    121,441.73/182,118.83 = 51,326.51/x
  3. Step 3: Cross multiply
    121,441.73x = 182,118.83 × 51,326.51
  4. Step 4: Simplify right side
    121,441.73x = 9,347,524,095.09
  5. Step 5: Solve for x
    x = 9,347,524,095.09/121,441.73
  6. Step 6: Final answer
    x = 76,971.27

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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.