Home / 643,367.53-965,058.20-194,092.28

Finding the Fourth Proportional to 643,367.53, 965,058.20 and 194,092.28

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Solution

The fourth proportional to 643,367.53, 965,058.20 and 194,092.28 is: 291,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,367.53 : 965,058.20 = 194,092.28 : x
  2. Step 2: Convert to fraction form
    643,367.53/965,058.20 = 194,092.28/x
  3. Step 3: Cross multiply
    643,367.53x = 965,058.20 × 194,092.28
  4. Step 4: Simplify right side
    643,367.53x = 187,310,346,370.70
  5. Step 5: Solve for x
    x = 187,310,346,370.70/643,367.53
  6. Step 6: Final answer
    x = 291,140.50

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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.