Home / 203,564.29-305,367.39-70,444.33

Finding the Fourth Proportional to 203,564.29, 305,367.39 and 70,444.33

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Solution

The fourth proportional to 203,564.29, 305,367.39 and 70,444.33 is: 105,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,564.29 : 305,367.39 = 70,444.33 : x
  2. Step 2: Convert to fraction form
    203,564.29/305,367.39 = 70,444.33/x
  3. Step 3: Cross multiply
    203,564.29x = 305,367.39 × 70,444.33
  4. Step 4: Simplify right side
    203,564.29x = 21,511,402,344.80
  5. Step 5: Solve for x
    x = 21,511,402,344.80/203,564.29
  6. Step 6: Final answer
    x = 105,673.75

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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.