Home / 123,261.85-170,101.37-66,673.23

Finding the Fourth Proportional to 123,261.85, 170,101.37 and 66,673.23

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Solution

The fourth proportional to 123,261.85, 170,101.37 and 66,673.23 is: 92,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,261.85 : 170,101.37 = 66,673.23 : x
  2. Step 2: Convert to fraction form
    123,261.85/170,101.37 = 66,673.23/x
  3. Step 3: Cross multiply
    123,261.85x = 170,101.37 × 66,673.23
  4. Step 4: Simplify right side
    123,261.85x = 11,341,206,919.09
  5. Step 5: Solve for x
    x = 11,341,206,919.09/123,261.85
  6. Step 6: Final answer
    x = 92,009.06

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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.