Home / 123,333.68-170,233.37-69,650.12

Finding the Fourth Proportional to 123,333.68, 170,233.37 and 69,650.12

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Solution

The fourth proportional to 123,333.68, 170,233.37 and 69,650.12 is: 96,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.68 : 170,233.37 = 69,650.12 : x
  2. Step 2: Convert to fraction form
    123,333.68/170,233.37 = 69,650.12/x
  3. Step 3: Cross multiply
    123,333.68x = 170,233.37 × 69,650.12
  4. Step 4: Simplify right side
    123,333.68x = 11,856,773,449.09
  5. Step 5: Solve for x
    x = 11,856,773,449.09/123,333.68
  6. Step 6: Final answer
    x = 96,135.73

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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.