Home / 643,365.27-965,054.83-194,090.03

Finding the Fourth Proportional to 643,365.27, 965,054.83 and 194,090.03

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Solution

The fourth proportional to 643,365.27, 965,054.83 and 194,090.03 is: 291,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,365.27 : 965,054.83 = 194,090.03 : x
  2. Step 2: Convert to fraction form
    643,365.27/965,054.83 = 194,090.03/x
  3. Step 3: Cross multiply
    643,365.27x = 965,054.83 × 194,090.03
  4. Step 4: Simplify right side
    643,365.27x = 187,307,520,906.35
  5. Step 5: Solve for x
    x = 187,307,520,906.35/643,365.27
  6. Step 6: Final answer
    x = 291,137.13

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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.