Home / 124,843.10-172,283.97-68,255.42

Finding the Fourth Proportional to 124,843.10, 172,283.97 and 68,255.42

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Solution

The fourth proportional to 124,843.10, 172,283.97 and 68,255.42 is: 94,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.10 : 172,283.97 = 68,255.42 : x
  2. Step 2: Convert to fraction form
    124,843.10/172,283.97 = 68,255.42/x
  3. Step 3: Cross multiply
    124,843.10x = 172,283.97 × 68,255.42
  4. Step 4: Simplify right side
    124,843.10x = 11,759,314,731.62
  5. Step 5: Solve for x
    x = 11,759,314,731.62/124,843.10
  6. Step 6: Final answer
    x = 94,192.75

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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.