Home / 223,932.33-309,026.94-121,958.25

Finding the Fourth Proportional to 223,932.33, 309,026.94 and 121,958.25

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Solution

The fourth proportional to 223,932.33, 309,026.94 and 121,958.25 is: 168,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,932.33 : 309,026.94 = 121,958.25 : x
  2. Step 2: Convert to fraction form
    223,932.33/309,026.94 = 121,958.25/x
  3. Step 3: Cross multiply
    223,932.33x = 309,026.94 × 121,958.25
  4. Step 4: Simplify right side
    223,932.33x = 37,688,384,805.26
  5. Step 5: Solve for x
    x = 37,688,384,805.26/223,932.33
  6. Step 6: Final answer
    x = 168,302.56

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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.