Home / 124,906.80-172,356.88-73,921.75

Finding the Fourth Proportional to 124,906.80, 172,356.88 and 73,921.75

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Solution

The fourth proportional to 124,906.80, 172,356.88 and 73,921.75 is: 102,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,906.80 : 172,356.88 = 73,921.75 : x
  2. Step 2: Convert to fraction form
    124,906.80/172,356.88 = 73,921.75/x
  3. Step 3: Cross multiply
    124,906.80x = 172,356.88 × 73,921.75
  4. Step 4: Simplify right side
    124,906.80x = 12,740,922,194.14
  5. Step 5: Solve for x
    x = 12,740,922,194.14/124,906.80
  6. Step 6: Final answer
    x = 102,003.43

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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.