Home / 123,304.51-170,143.16-68,850.03

Finding the Fourth Proportional to 123,304.51, 170,143.16 and 68,850.03

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Solution

The fourth proportional to 123,304.51, 170,143.16 and 68,850.03 is: 95,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304.51 : 170,143.16 = 68,850.03 : x
  2. Step 2: Convert to fraction form
    123,304.51/170,143.16 = 68,850.03/x
  3. Step 3: Cross multiply
    123,304.51x = 170,143.16 × 68,850.03
  4. Step 4: Simplify right side
    123,304.51x = 11,714,361,326.04
  5. Step 5: Solve for x
    x = 11,714,361,326.04/123,304.51
  6. Step 6: Final answer
    x = 95,003.51

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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.