Home / 123,197.96-170,013.43-66,609.33

Finding the Fourth Proportional to 123,197.96, 170,013.43 and 66,609.33

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Solution

The fourth proportional to 123,197.96, 170,013.43 and 66,609.33 is: 91,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,197.96 : 170,013.43 = 66,609.33 : x
  2. Step 2: Convert to fraction form
    123,197.96/170,013.43 = 66,609.33/x
  3. Step 3: Cross multiply
    123,197.96x = 170,013.43 × 66,609.33
  4. Step 4: Simplify right side
    123,197.96x = 11,324,480,746.56
  5. Step 5: Solve for x
    x = 11,324,480,746.56/123,197.96
  6. Step 6: Final answer
    x = 91,921.01

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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.