Home / 123,306.24-170,161.92-69,588.48

Finding the Fourth Proportional to 123,306.24, 170,161.92 and 69,588.48

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Solution

The fourth proportional to 123,306.24, 170,161.92 and 69,588.48 is: 96,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,306.24 : 170,161.92 = 69,588.48 : x
  2. Step 2: Convert to fraction form
    123,306.24/170,161.92 = 69,588.48/x
  3. Step 3: Cross multiply
    123,306.24x = 170,161.92 × 69,588.48
  4. Step 4: Simplify right side
    123,306.24x = 11,841,309,366.68
  5. Step 5: Solve for x
    x = 11,841,309,366.68/123,306.24
  6. Step 6: Final answer
    x = 96,031.71

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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.