Home / 123,196.48-170,011.55-66,608.26

Finding the Fourth Proportional to 123,196.48, 170,011.55 and 66,608.26

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Solution

The fourth proportional to 123,196.48, 170,011.55 and 66,608.26 is: 91,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,196.48 : 170,011.55 = 66,608.26 : x
  2. Step 2: Convert to fraction form
    123,196.48/170,011.55 = 66,608.26/x
  3. Step 3: Cross multiply
    123,196.48x = 170,011.55 × 66,608.26
  4. Step 4: Simplify right side
    123,196.48x = 11,324,173,525.40
  5. Step 5: Solve for x
    x = 11,324,173,525.40/123,196.48
  6. Step 6: Final answer
    x = 91,919.62

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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.