Home / 123,686.24-170,753.16-96,771.56

Finding the Fourth Proportional to 123,686.24, 170,753.16 and 96,771.56

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Solution

The fourth proportional to 123,686.24, 170,753.16 and 96,771.56 is: 133,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,686.24 : 170,753.16 = 96,771.56 : x
  2. Step 2: Convert to fraction form
    123,686.24/170,753.16 = 96,771.56/x
  3. Step 3: Cross multiply
    123,686.24x = 170,753.16 × 96,771.56
  4. Step 4: Simplify right side
    123,686.24x = 16,524,049,668.13
  5. Step 5: Solve for x
    x = 16,524,049,668.13/123,686.24
  6. Step 6: Final answer
    x = 133,596.51

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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.