Home / 127,512.87-175,974.26-73,800.15

Finding the Fourth Proportional to 127,512.87, 175,974.26 and 73,800.15

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Solution

The fourth proportional to 127,512.87, 175,974.26 and 73,800.15 is: 101,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,512.87 : 175,974.26 = 73,800.15 : x
  2. Step 2: Convert to fraction form
    127,512.87/175,974.26 = 73,800.15/x
  3. Step 3: Cross multiply
    127,512.87x = 175,974.26 × 73,800.15
  4. Step 4: Simplify right side
    127,512.87x = 12,986,926,415.14
  5. Step 5: Solve for x
    x = 12,986,926,415.14/127,512.87
  6. Step 6: Final answer
    x = 101,847.97

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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.