Home / 223,427.25-335,035.28-81,173.33

Finding the Fourth Proportional to 223,427.25, 335,035.28 and 81,173.33

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Solution

The fourth proportional to 223,427.25, 335,035.28 and 81,173.33 is: 121,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,427.25 : 335,035.28 = 81,173.33 : x
  2. Step 2: Convert to fraction form
    223,427.25/335,035.28 = 81,173.33/x
  3. Step 3: Cross multiply
    223,427.25x = 335,035.28 × 81,173.33
  4. Step 4: Simplify right side
    223,427.25x = 27,195,927,872.84
  5. Step 5: Solve for x
    x = 27,195,927,872.84/223,427.25
  6. Step 6: Final answer
    x = 121,721.62

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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.