Home / 643,827.98-965,895.82-194,553.33

Finding the Fourth Proportional to 643,827.98, 965,895.82 and 194,553.33

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Solution

The fourth proportional to 643,827.98, 965,895.82 and 194,553.33 is: 291,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,827.98 : 965,895.82 = 194,553.33 : x
  2. Step 2: Convert to fraction form
    643,827.98/965,895.82 = 194,553.33/x
  3. Step 3: Cross multiply
    643,827.98x = 965,895.82 × 194,553.33
  4. Step 4: Simplify right side
    643,827.98x = 187,918,248,214.08
  5. Step 5: Solve for x
    x = 187,918,248,214.08/643,827.98
  6. Step 6: Final answer
    x = 291,876.49

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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.