Home / 126,894.44-175,099.62-73,178.92

Finding the Fourth Proportional to 126,894.44, 175,099.62 and 73,178.92

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Solution

The fourth proportional to 126,894.44, 175,099.62 and 73,178.92 is: 100,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,894.44 : 175,099.62 = 73,178.92 : x
  2. Step 2: Convert to fraction form
    126,894.44/175,099.62 = 73,178.92/x
  3. Step 3: Cross multiply
    126,894.44x = 175,099.62 × 73,178.92
  4. Step 4: Simplify right side
    126,894.44x = 12,813,601,084.01
  5. Step 5: Solve for x
    x = 12,813,601,084.01/126,894.44
  6. Step 6: Final answer
    x = 100,978.43

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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.