Home / 422,926.44-634,179.75-134,700.48

Finding the Fourth Proportional to 422,926.44, 634,179.75 and 134,700.48

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Solution

The fourth proportional to 422,926.44, 634,179.75 and 134,700.48 is: 201,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,926.44 : 634,179.75 = 134,700.48 : x
  2. Step 2: Convert to fraction form
    422,926.44/634,179.75 = 134,700.48/x
  3. Step 3: Cross multiply
    422,926.44x = 634,179.75 × 134,700.48
  4. Step 4: Simplify right side
    422,926.44x = 85,424,316,731.28
  5. Step 5: Solve for x
    x = 85,424,316,731.28/422,926.44
  6. Step 6: Final answer
    x = 201,983.86

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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.