Home / 108,309.05-149,511.98-65,882.33

Finding the Fourth Proportional to 108,309.05, 149,511.98 and 65,882.33

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Solution

The fourth proportional to 108,309.05, 149,511.98 and 65,882.33 is: 90,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,309.05 : 149,511.98 = 65,882.33 : x
  2. Step 2: Convert to fraction form
    108,309.05/149,511.98 = 65,882.33/x
  3. Step 3: Cross multiply
    108,309.05x = 149,511.98 × 65,882.33
  4. Step 4: Simplify right side
    108,309.05x = 9,850,197,212.54
  5. Step 5: Solve for x
    x = 9,850,197,212.54/108,309.05
  6. Step 6: Final answer
    x = 90,945.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.