Home / 107,443.22-161,197.05-43,368.39

Finding the Fourth Proportional to 107,443.22, 161,197.05 and 43,368.39

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Solution

The fourth proportional to 107,443.22, 161,197.05 and 43,368.39 is: 65,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,443.22 : 161,197.05 = 43,368.39 : x
  2. Step 2: Convert to fraction form
    107,443.22/161,197.05 = 43,368.39/x
  3. Step 3: Cross multiply
    107,443.22x = 161,197.05 × 43,368.39
  4. Step 4: Simplify right side
    107,443.22x = 6,990,856,057.55
  5. Step 5: Solve for x
    x = 6,990,856,057.55/107,443.22
  6. Step 6: Final answer
    x = 65,065.59

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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.