Home / 639,575.68-959,196.24-190,175.52

Finding the Fourth Proportional to 639,575.68, 959,196.24 and 190,175.52

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Solution

The fourth proportional to 639,575.68, 959,196.24 and 190,175.52 is: 285,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,575.68 : 959,196.24 = 190,175.52 : x
  2. Step 2: Convert to fraction form
    639,575.68/959,196.24 = 190,175.52/x
  3. Step 3: Cross multiply
    639,575.68x = 959,196.24 × 190,175.52
  4. Step 4: Simplify right side
    639,575.68x = 182,415,643,724.05
  5. Step 5: Solve for x
    x = 182,415,643,724.05/639,575.68
  6. Step 6: Final answer
    x = 285,213.54

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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.