Home / 123,324.16-170,187.82-66,735.56

Finding the Fourth Proportional to 123,324.16, 170,187.82 and 66,735.56

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Solution

The fourth proportional to 123,324.16, 170,187.82 and 66,735.56 is: 92,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,324.16 : 170,187.82 = 66,735.56 : x
  2. Step 2: Convert to fraction form
    123,324.16/170,187.82 = 66,735.56/x
  3. Step 3: Cross multiply
    123,324.16x = 170,187.82 × 66,735.56
  4. Step 4: Simplify right side
    123,324.16x = 11,357,579,472.88
  5. Step 5: Solve for x
    x = 11,357,579,472.88/123,324.16
  6. Step 6: Final answer
    x = 92,095.33

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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.