Home / 422,680.22-634,057.23-107,137.13

Finding the Fourth Proportional to 422,680.22, 634,057.23 and 107,137.13

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Solution

The fourth proportional to 422,680.22, 634,057.23 and 107,137.13 is: 160,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,680.22 : 634,057.23 = 107,137.13 : x
  2. Step 2: Convert to fraction form
    422,680.22/634,057.23 = 107,137.13/x
  3. Step 3: Cross multiply
    422,680.22x = 634,057.23 × 107,137.13
  4. Step 4: Simplify right side
    422,680.22x = 67,931,069,109.43
  5. Step 5: Solve for x
    x = 67,931,069,109.43/422,680.22
  6. Step 6: Final answer
    x = 160,715.04

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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.