Home / 643,362.83-965,051.17-194,087.59

Finding the Fourth Proportional to 643,362.83, 965,051.17 and 194,087.59

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Solution

The fourth proportional to 643,362.83, 965,051.17 and 194,087.59 is: 291,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,362.83 : 965,051.17 = 194,087.59 : x
  2. Step 2: Convert to fraction form
    643,362.83/965,051.17 = 194,087.59/x
  3. Step 3: Cross multiply
    643,362.83x = 965,051.17 × 194,087.59
  4. Step 4: Simplify right side
    643,362.83x = 187,304,456,297.20
  5. Step 5: Solve for x
    x = 187,304,456,297.20/643,362.83
  6. Step 6: Final answer
    x = 291,133.47

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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.