Home / 123,197.48-170,012.93-66,609.26

Finding the Fourth Proportional to 123,197.48, 170,012.93 and 66,609.26

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Solution

The fourth proportional to 123,197.48, 170,012.93 and 66,609.26 is: 91,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,197.48 : 170,012.93 = 66,609.26 : x
  2. Step 2: Convert to fraction form
    123,197.48/170,012.93 = 66,609.26/x
  3. Step 3: Cross multiply
    123,197.48x = 170,012.93 × 66,609.26
  4. Step 4: Simplify right side
    123,197.48x = 11,324,435,457.73
  5. Step 5: Solve for x
    x = 11,324,435,457.73/123,197.48
  6. Step 6: Final answer
    x = 91,921.00

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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.