Home / 639,164.12-958,877.37-189,844.97

Finding the Fourth Proportional to 639,164.12, 958,877.37 and 189,844.97

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Solution

The fourth proportional to 639,164.12, 958,877.37 and 189,844.97 is: 284,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,164.12 : 958,877.37 = 189,844.97 : x
  2. Step 2: Convert to fraction form
    639,164.12/958,877.37 = 189,844.97/x
  3. Step 3: Cross multiply
    639,164.12x = 958,877.37 × 189,844.97
  4. Step 4: Simplify right side
    639,164.12x = 182,038,040,746.94
  5. Step 5: Solve for x
    x = 182,038,040,746.94/639,164.12
  6. Step 6: Final answer
    x = 284,806.42

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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.