Home / 127,238.72-190,868.09-33,744.47

Finding the Fourth Proportional to 127,238.72, 190,868.09 and 33,744.47

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Solution

The fourth proportional to 127,238.72, 190,868.09 and 33,744.47 is: 50,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,238.72 : 190,868.09 = 33,744.47 : x
  2. Step 2: Convert to fraction form
    127,238.72/190,868.09 = 33,744.47/x
  3. Step 3: Cross multiply
    127,238.72x = 190,868.09 × 33,744.47
  4. Step 4: Simplify right side
    127,238.72x = 6,440,741,413.90
  5. Step 5: Solve for x
    x = 6,440,741,413.90/127,238.72
  6. Step 6: Final answer
    x = 50,619.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.